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

Übungsbeispiele zur Addition von jeweils 2 Brüchen.

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{6}}+{\frac {2}{9}}=$

b) ${\frac {1}{9}}+{\frac {1}{6}}=$

c) ${\frac {1}{6}}+{\frac {1}{9}}=$

d) ${\frac {1}{6}}+{\frac {2}{9}}=$

2.

a) ${\frac {1}{6}}+{\frac {1}{10}}=$

b) ${\frac {1}{4}}+{\frac {5}{14}}=$

c) ${\frac {1}{8}}+{\frac {1}{12}}=$

d) ${\frac {1}{6}}+{\frac {4}{15}}=$

e) ${\frac {4}{9}}+{\frac {1}{6}}=$

f) ${\frac {1}{4}}+{\frac {3}{14}}=$

3.

a) ${\frac {1}{9}}+{\frac {1}{6}}=$

b) ${\frac {1}{6}}+{\frac {1}{8}}=$

c) ${\frac {1}{6}}+{\frac {4}{15}}=$

d) ${\frac {1}{4}}+{\frac {1}{6}}=$

4.

a) ${\frac {1}{4}}+{\frac {5}{6}}=$

b) ${\frac {1}{8}}+{\frac {1}{6}}=$

c) ${\frac {1}{4}}+{\frac {5}{14}}=$

d) ${\frac {4}{9}}+{\frac {1}{6}}=$

e) ${\frac {1}{6}}+{\frac {1}{8}}=$

f) ${\frac {1}{12}}+{\frac {3}{8}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {3}{4}}+{\frac {1}{6}}=$

b) ${\frac {3}{8}}+{\frac {1}{6}}=$

c) ${\frac {1}{4}}+{\frac {1}{6}}=$

d) ${\frac {1}{6}}+{\frac {3}{8}}=$

2.

a) ${\frac {1}{6}}+{\frac {1}{8}}=$

b) ${\frac {2}{15}}+{\frac {1}{6}}=$

c) ${\frac {3}{4}}+{\frac {1}{6}}=$

d) ${\frac {5}{9}}+{\frac {1}{6}}=$

e) ${\frac {1}{6}}+{\frac {1}{9}}=$

f) ${\frac {1}{9}}+{\frac {1}{6}}=$

3.

a) ${\frac {1}{6}}+{\frac {5}{9}}=$

b) ${\frac {3}{14}}+{\frac {1}{4}}=$

c) ${\frac {1}{14}}+{\frac {1}{4}}=$

d) ${\frac {1}{15}}+{\frac {1}{10}}=$

4.

a) ${\frac {1}{4}}+{\frac {1}{6}}=$

b) ${\frac {1}{8}}+{\frac {1}{6}}=$

c) ${\frac {1}{9}}+{\frac {1}{6}}=$

d) ${\frac {3}{14}}+{\frac {1}{4}}=$

e) ${\frac {1}{4}}+{\frac {1}{10}}=$

f) ${\frac {1}{9}}+{\frac {1}{6}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{6}}+{\frac {2}{9}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{6}}+{\frac {2}{9}}=$

d) ${\frac {1}{8}}+{\frac {1}{12}}=$

2.

a) ${\frac {1}{4}}+{\frac {3}{10}}=$

b) ${\frac {1}{8}}+{\frac {5}{12}}=$

c) ${\frac {1}{4}}+{\frac {3}{14}}=$

d) ${\frac {1}{12}}+{\frac {1}{8}}=$

e) ${\frac {1}{4}}+{\frac {1}{10}}=$

f) ${\frac {1}{4}}+{\frac {5}{6}}=$

3.

a) ${\frac {3}{4}}+{\frac {1}{6}}=$

b) ${\frac {1}{12}}+{\frac {3}{8}}=$

c) ${\frac {1}{9}}+{\frac {1}{6}}=$

d) ${\frac {1}{4}}+{\frac {5}{6}}=$

4.

a) ${\frac {1}{12}}+{\frac {1}{8}}=$

b) ${\frac {1}{4}}+{\frac {1}{6}}=$

c) ${\frac {4}{9}}+{\frac {1}{6}}=$

d) ${\frac {1}{6}}+{\frac {1}{4}}=$

e) ${\frac {1}{4}}+{\frac {1}{6}}=$

f) ${\frac {1}{4}}+{\frac {3}{10}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{9}}+{\frac {1}{6}}=$

b) ${\frac {1}{6}}+{\frac {3}{4}}=$

c) ${\frac {1}{12}}+{\frac {1}{8}}=$

d) ${\frac {1}{6}}+{\frac {1}{15}}=$

2.

a) ${\frac {1}{9}}+{\frac {1}{6}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{6}}+{\frac {3}{10}}=$

d) ${\frac {1}{15}}+{\frac {1}{10}}=$

e) ${\frac {1}{12}}+{\frac {3}{8}}=$

f) ${\frac {1}{10}}+{\frac {1}{15}}=$

3.

a) ${\frac {1}{4}}+{\frac {1}{6}}=$

b) ${\frac {1}{6}}+{\frac {3}{8}}=$

c) ${\frac {5}{6}}+{\frac {3}{4}}=$

d) ${\frac {1}{4}}+{\frac {5}{6}}=$

4.

a) ${\frac {3}{10}}+{\frac {1}{4}}=$

b) ${\frac {5}{6}}+{\frac {3}{4}}=$

c) ${\frac {1}{6}}+{\frac {2}{9}}=$

d) ${\frac {1}{6}}+{\frac {1}{8}}=$

e) ${\frac {1}{12}}+{\frac {3}{8}}=$

f) ${\frac {1}{6}}+{\frac {1}{4}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{6}}+{\frac {2}{9}}=$

b) ${\frac {1}{9}}+{\frac {1}{6}}=$

c) ${\frac {1}{4}}+{\frac {1}{14}}=$

d) ${\frac {1}{10}}+{\frac {1}{15}}=$

2.

a) ${\frac {1}{6}}+{\frac {2}{9}}=$

b) ${\frac {1}{12}}+{\frac {1}{8}}=$

c) ${\frac {1}{10}}+{\frac {1}{6}}=$

d) ${\frac {1}{10}}+{\frac {1}{6}}=$

e) ${\frac {3}{4}}+{\frac {1}{6}}=$

f) ${\frac {1}{4}}+{\frac {1}{6}}=$

3.

a) ${\frac {1}{4}}+{\frac {1}{14}}=$

b) ${\frac {1}{6}}+{\frac {1}{10}}=$

c) ${\frac {1}{6}}+{\frac {1}{4}}=$

d) ${\frac {1}{6}}+{\frac {1}{10}}=$

4.

a) ${\frac {2}{15}}+{\frac {1}{6}}=$

b) ${\frac {1}{4}}+{\frac {1}{6}}=$

c) ${\frac {4}{9}}+{\frac {1}{6}}=$

d) ${\frac {1}{8}}+{\frac {1}{12}}=$

e) ${\frac {5}{9}}+{\frac {1}{6}}=$

f) ${\frac {1}{8}}+{\frac {1}{6}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{6}}+{\frac {1}{15}}=$

b) ${\frac {1}{10}}+{\frac {1}{6}}=$

c) ${\frac {1}{8}}+{\frac {1}{6}}=$

d) ${\frac {1}{8}}+{\frac {1}{12}}=$

2.

a) ${\frac {1}{6}}+{\frac {1}{15}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{4}}+{\frac {3}{14}}=$

d) ${\frac {1}{6}}+{\frac {1}{9}}=$

e) ${\frac {1}{6}}+{\frac {2}{15}}=$

f) ${\frac {1}{4}}+{\frac {5}{6}}=$

3.

a) ${\frac {1}{6}}+{\frac {1}{4}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{6}}+{\frac {3}{10}}=$

d) ${\frac {5}{6}}+{\frac {1}{4}}=$

4.

a) ${\frac {3}{14}}+{\frac {1}{4}}=$

b) ${\frac {1}{4}}+{\frac {5}{14}}=$

c) ${\frac {3}{8}}+{\frac {1}{12}}=$

d) ${\frac {5}{6}}+{\frac {1}{4}}=$

e) ${\frac {1}{12}}+{\frac {1}{8}}=$

f) ${\frac {1}{6}}+{\frac {1}{4}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{4}}+{\frac {1}{14}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{4}}+{\frac {1}{14}}=$

d) ${\frac {1}{4}}+{\frac {1}{6}}=$

2.

a) ${\frac {1}{10}}+{\frac {1}{4}}=$

b) ${\frac {1}{6}}+{\frac {1}{9}}=$

c) ${\frac {1}{4}}+{\frac {1}{10}}=$

d) ${\frac {1}{14}}+{\frac {1}{4}}=$

e) ${\frac {5}{12}}+{\frac {1}{8}}=$

f) ${\frac {1}{12}}+{\frac {1}{8}}=$

3.

a) ${\frac {3}{10}}+{\frac {1}{15}}=$

b) ${\frac {1}{10}}+{\frac {1}{4}}=$

c) ${\frac {1}{9}}+{\frac {1}{6}}=$

d) ${\frac {1}{14}}+{\frac {1}{4}}=$

4.

a) ${\frac {1}{6}}+{\frac {1}{10}}=$

b) ${\frac {1}{6}}+{\frac {2}{9}}=$

c) ${\frac {1}{4}}+{\frac {1}{6}}=$

d) ${\frac {1}{6}}+{\frac {4}{9}}=$

e) ${\frac {1}{9}}+{\frac {1}{6}}=$

f) ${\frac {1}{4}}+{\frac {1}{10}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{4}}+{\frac {1}{14}}=$

b) ${\frac {1}{6}}+{\frac {1}{9}}=$

c) ${\frac {1}{6}}+{\frac {1}{10}}=$

d) ${\frac {1}{6}}+{\frac {1}{10}}=$

2.

a) ${\frac {3}{10}}+{\frac {1}{6}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{10}}+{\frac {1}{6}}=$

d) ${\frac {1}{9}}+{\frac {1}{6}}=$

e) ${\frac {1}{6}}+{\frac {2}{15}}=$

f) ${\frac {1}{8}}+{\frac {1}{12}}=$

3.

a) ${\frac {1}{6}}+{\frac {1}{9}}=$

b) ${\frac {5}{6}}+{\frac {1}{4}}=$

c) ${\frac {1}{10}}+{\frac {1}{15}}=$

d) ${\frac {1}{6}}+{\frac {4}{9}}=$

4.

a) ${\frac {1}{8}}+{\frac {1}{6}}=$

b) ${\frac {1}{6}}+{\frac {1}{9}}=$

c) ${\frac {1}{8}}+{\frac {1}{6}}=$

d) ${\frac {1}{6}}+{\frac {1}{4}}=$

e) ${\frac {1}{6}}+{\frac {1}{4}}=$

f) ${\frac {1}{4}}+{\frac {1}{6}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{6}}+{\frac {3}{8}}=$

b) ${\frac {1}{10}}+{\frac {1}{6}}=$

c) ${\frac {1}{8}}+{\frac {1}{6}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}=$

2.

a) ${\frac {1}{4}}+{\frac {3}{10}}=$

b) ${\frac {1}{6}}+{\frac {3}{8}}=$

c) ${\frac {1}{6}}+{\frac {1}{9}}=$

d) ${\frac {1}{6}}+{\frac {3}{10}}=$

e) ${\frac {1}{6}}+{\frac {3}{8}}=$

f) ${\frac {1}{4}}+{\frac {3}{10}}=$

3.

a) ${\frac {5}{12}}+{\frac {1}{8}}=$

b) ${\frac {1}{6}}+{\frac {1}{10}}=$

c) ${\frac {1}{4}}+{\frac {3}{14}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}=$

4.

a) ${\frac {1}{10}}+{\frac {1}{15}}=$

b) ${\frac {1}{6}}+{\frac {1}{4}}=$

c) ${\frac {1}{8}}+{\frac {5}{12}}=$

d) ${\frac {1}{6}}+{\frac {3}{8}}=$

e) ${\frac {1}{8}}+{\frac {1}{12}}=$

f) ${\frac {1}{6}}+{\frac {1}{15}}=$

Lösungen

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

Berechne und kürze wenn möglich.

1.

a) ${\frac {1}{15}}+{\frac {1}{10}}=$

b) ${\frac {3}{14}}+{\frac {1}{4}}=$

c) ${\frac {1}{6}}+{\frac {5}{9}}=$

d) ${\frac {1}{14}}+{\frac {1}{4}}=$

2.

a) ${\frac {2}{15}}+{\frac {1}{10}}=$

b) ${\frac {1}{10}}+{\frac {1}{15}}=$

c) ${\frac {1}{6}}+{\frac {3}{4}}=$

d) ${\frac {1}{8}}+{\frac {1}{12}}=$

e) ${\frac {5}{6}}+{\frac {1}{4}}=$

f) ${\frac {1}{15}}+{\frac {3}{10}}=$

3.

a) ${\frac {5}{6}}+{\frac {1}{4}}=$

b) ${\frac {3}{4}}+{\frac {5}{6}}=$

c) ${\frac {1}{12}}+{\frac {1}{8}}=$

d) ${\frac {1}{4}}+{\frac {1}{10}}=$

4.

a) ${\frac {1}{8}}+{\frac {1}{6}}=$

b) ${\frac {3}{10}}+{\frac {1}{4}}=$

c) ${\frac {1}{4}}+{\frac {1}{10}}=$

d) ${\frac {3}{14}}+{\frac {1}{4}}=$

e) ${\frac {1}{6}}+{\frac {1}{9}}=$

f) ${\frac {1}{6}}+{\frac {1}{9}}=$

Lösungen

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