# Mathematikunterricht/ Sek/ Brüche/ Ü/ Add2 NennerNeu 30max A4 1

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Übungsbeispiele zur Addition von jeweils 2 Brüchen.

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
b) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$

2.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {5}{14}}=}$
c) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {4}{15}}=}$
e) ${\displaystyle {\frac {4}{9}}+{\frac {1}{6}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {3}{14}}=}$

3.

a) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{8}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {4}{15}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$

4.

a) ${\displaystyle {\frac {1}{4}}+{\frac {5}{6}}=}$
b) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {5}{14}}=}$
d) ${\displaystyle {\frac {4}{9}}+{\frac {1}{6}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {1}{8}}=}$
f) ${\displaystyle {\frac {1}{12}}+{\frac {3}{8}}=}$

Lösungen

${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{30}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{30}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {9}{28}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {3}{4}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {3}{8}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$

2.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{8}}=}$
b) ${\displaystyle {\frac {2}{15}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {3}{4}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {5}{9}}+{\frac {1}{6}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
f) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$

3.

a) ${\displaystyle {\frac {1}{6}}+{\frac {5}{9}}=}$
b) ${\displaystyle {\frac {3}{14}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{14}}+{\frac {1}{4}}=}$
d) ${\displaystyle {\frac {1}{15}}+{\frac {1}{10}}=}$

4.

a) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {3}{14}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
f) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$

Lösungen

${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {13}{12}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
d) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$

2.

a) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$
b) ${\displaystyle {\frac {1}{8}}+{\frac {5}{12}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {3}{14}}=}$
d) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
e) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {5}{6}}=}$

3.

a) ${\displaystyle {\frac {3}{4}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{12}}+{\frac {3}{8}}=}$
c) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {5}{6}}=}$

4.

a) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {4}{9}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$

Lösungen

${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {19}{12}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {7}{24}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {3}{4}}=}$
c) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{15}}=}$

2.

a) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {3}{10}}=}$
d) ${\displaystyle {\frac {1}{15}}+{\frac {1}{10}}=}$
e) ${\displaystyle {\frac {1}{12}}+{\frac {3}{8}}=}$
f) ${\displaystyle {\frac {1}{10}}+{\frac {1}{15}}=}$

3.

a) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$
c) ${\displaystyle {\frac {5}{6}}+{\frac {3}{4}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {5}{6}}=}$

4.

a) ${\displaystyle {\frac {3}{10}}+{\frac {1}{4}}=}$
b) ${\displaystyle {\frac {5}{6}}+{\frac {3}{4}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{8}}=}$
e) ${\displaystyle {\frac {1}{12}}+{\frac {3}{8}}=}$
f) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$

Lösungen

${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {7}{30}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {19}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {19}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {3}{10}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
b) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{14}}=}$
d) ${\displaystyle {\frac {1}{10}}+{\frac {1}{15}}=}$

2.

a) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
b) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
c) ${\displaystyle {\frac {1}{10}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{10}}+{\frac {1}{6}}=}$
e) ${\displaystyle {\frac {3}{4}}+{\frac {1}{6}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$

3.

a) ${\displaystyle {\frac {1}{4}}+{\frac {1}{14}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$

4.

a) ${\displaystyle {\frac {2}{15}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {4}{9}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$
e) ${\displaystyle {\frac {5}{9}}+{\frac {1}{6}}=}$
f) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$

Lösungen

${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {13}{28}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{15}}=}$
b) ${\displaystyle {\frac {1}{10}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$

2.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{15}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {3}{14}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {2}{15}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {5}{6}}=}$

3.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {3}{10}}=}$
d) ${\displaystyle {\frac {5}{6}}+{\frac {1}{4}}=}$

4.

a) ${\displaystyle {\frac {3}{14}}+{\frac {1}{4}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {5}{14}}=}$
c) ${\displaystyle {\frac {3}{8}}+{\frac {1}{12}}=}$
d) ${\displaystyle {\frac {5}{6}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
f) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$

Lösungen

${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{30}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {7}{30}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{30}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{12}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{4}}+{\frac {1}{14}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{14}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$

2.

a) ${\displaystyle {\frac {1}{10}}+{\frac {1}{4}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
d) ${\displaystyle {\frac {1}{14}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {5}{12}}+{\frac {1}{8}}=}$
f) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$

3.

a) ${\displaystyle {\frac {3}{10}}+{\frac {1}{15}}=}$
b) ${\displaystyle {\frac {1}{10}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{14}}+{\frac {1}{4}}=}$

4.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {2}{9}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {4}{9}}=}$
e) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$

Lösungen

${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {19}{24}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {11}{30}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{12}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{4}}+{\frac {1}{14}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$

2.

a) ${\displaystyle {\frac {3}{10}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{10}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{9}}+{\frac {1}{6}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {2}{15}}=}$
f) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$

3.

a) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
b) ${\displaystyle {\frac {5}{6}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{10}}+{\frac {1}{15}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {4}{9}}=}$

4.

a) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
c) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {1}{6}}=}$

Lösungen

${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {19}{12}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {5}{12}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$
b) ${\displaystyle {\frac {1}{10}}+{\frac {1}{6}}=}$
c) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$

2.

a) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {3}{10}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$
f) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$

3.

a) ${\displaystyle {\frac {5}{12}}+{\frac {1}{8}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{10}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {3}{14}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {3}{10}}=}$

4.

a) ${\displaystyle {\frac {1}{10}}+{\frac {1}{15}}=}$
b) ${\displaystyle {\frac {1}{6}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{8}}+{\frac {5}{12}}=}$
d) ${\displaystyle {\frac {1}{6}}+{\frac {3}{8}}=}$
e) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$
f) ${\displaystyle {\frac {1}{6}}+{\frac {1}{15}}=}$

Lösungen

${\displaystyle {\frac {11}{18}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{12}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {7}{30}}}$

Berechne und kürze wenn möglich.

1.

a) ${\displaystyle {\frac {1}{15}}+{\frac {1}{10}}=}$
b) ${\displaystyle {\frac {3}{14}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {5}{9}}=}$
d) ${\displaystyle {\frac {1}{14}}+{\frac {1}{4}}=}$

2.

a) ${\displaystyle {\frac {2}{15}}+{\frac {1}{10}}=}$
b) ${\displaystyle {\frac {1}{10}}+{\frac {1}{15}}=}$
c) ${\displaystyle {\frac {1}{6}}+{\frac {3}{4}}=}$
d) ${\displaystyle {\frac {1}{8}}+{\frac {1}{12}}=}$
e) ${\displaystyle {\frac {5}{6}}+{\frac {1}{4}}=}$
f) ${\displaystyle {\frac {1}{15}}+{\frac {3}{10}}=}$

3.

a) ${\displaystyle {\frac {5}{6}}+{\frac {1}{4}}=}$
b) ${\displaystyle {\frac {3}{4}}+{\frac {5}{6}}=}$
c) ${\displaystyle {\frac {1}{12}}+{\frac {1}{8}}=}$
d) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$

4.

a) ${\displaystyle {\frac {1}{8}}+{\frac {1}{6}}=}$
b) ${\displaystyle {\frac {3}{10}}+{\frac {1}{4}}=}$
c) ${\displaystyle {\frac {1}{4}}+{\frac {1}{10}}=}$
d) ${\displaystyle {\frac {3}{14}}+{\frac {1}{4}}=}$
e) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$
f) ${\displaystyle {\frac {1}{6}}+{\frac {1}{9}}=}$

Lösungen

${\displaystyle {\frac {7}{15}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {7}{30}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {17}{28}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{18}}}$${\displaystyle {\frac {9}{28}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {11}{24}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {11}{20}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {19}{12}}}$${\displaystyle {\frac {5}{24}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {13}{18}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {4}{15}}}$${\displaystyle {\frac {7}{24}}}$${\displaystyle {\frac {7}{20}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {3}{10}}}$${\displaystyle {\frac {1}{6}}}$${\displaystyle {\frac {11}{30}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {11}{12}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {13}{24}}}$${\displaystyle {\frac {13}{12}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {5}{18}}}$${\displaystyle {\frac {13}{28}}}$${\displaystyle {\frac {11}{30}}}$${\displaystyle {\frac {5}{18}}}$