Mathematikunterricht/ Sek/ Brüche/ Ü/ Add3 NennerNeu 50max A4 1

Übungsbeispiele zur Addition von jeweils 3 Brüchen.

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 3, 1, 1 und 2.

a)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{24}}=

b)

{\frac {1}{3}}+{\frac {4}{15}}+{\frac {1}{6}}=

c)

{\frac {3}{2}}+{\frac {5}{4}}+{\frac {1}{6}}=

d)

{\frac {1}{18}}+{\frac {1}{12}}+{\frac {1}{4}}=

2. Berechne und kürze mit 3, 3...

a)

{\frac {1}{12}}+{\frac {5}{16}}+{\frac {1}{24}}=

b)

{\frac {1}{6}}+{\frac {4}{15}}+{\frac {2}{3}}=

c)

{\frac {5}{24}}+{\frac {1}{16}}+{\frac {1}{6}}=

d)

{\frac {1}{20}}+{\frac {3}{8}}+{\frac {1}{10}}=

e)

{\frac {1}{6}}+{\frac {3}{16}}+{\frac {1}{8}}=

f)

{\frac {1}{14}}+{\frac {5}{7}}+{\frac {1}{4}}=

3. Berechne und kürze mit 1, 1, 1, 7...

a)

{\frac {7}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=

b)

{\frac {6}{25}}+{\frac {2}{5}}+{\frac {1}{10}}=

c)

{\frac {5}{6}}+{\frac {3}{4}}+{\frac {1}{8}}=

d)

{\frac {3}{7}}+{\frac {1}{4}}+{\frac {1}{14}}=

4. Berechne und kürze mit 15, 14...

a)

{\frac {1}{5}}+{\frac {2}{15}}+{\frac {2}{9}}=

b)

{\frac {1}{3}}+{\frac {1}{10}}+{\frac {1}{15}}=

c)

{\frac {2}{21}}+{\frac {1}{6}}+{\frac {1}{14}}=

d)

{\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=

e)

{\frac {1}{10}}+{\frac {1}{2}}+{\frac {1}{4}}=

f)

{\frac {3}{4}}+{\frac {1}{10}}+{\frac {1}{2}}=

Lösungen

${\frac {1}{3}}$ ${\frac {9}{8}}$ ${\frac {27}{20}}$ ${\frac {35}{12}}$ ${\frac {1}{3}}$ ${\frac {21}{40}}$ ${\frac {37}{50}}$ ${\frac {41}{24}}$ ${\frac {31}{50}}$ ${\frac {3}{4}}$ ${\frac {29}{28}}$ ${\frac {7}{18}}$ ${\frac {19}{12}}$ ${\frac {3}{16}}$ ${\frac {11}{10}}$ ${\frac {1}{3}}$ ${\frac {11}{12}}$ ${\frac {3}{16}}$ ${\frac {11}{48}}$ ${\frac {7}{16}}$ ${\frac {3}{4}}$ ${\frac {11}{12}}$ ${\frac {23}{20}}$ ${\frac {9}{4}}$ ${\frac {3}{4}}$ ${\frac {1}{2}}$ ${\frac {11}{40}}$ ${\frac {21}{20}}$ ${\frac {11}{12}}$ ${\frac {11}{20}}$ ${\frac {5}{9}}$ ${\frac {7}{16}}$ ${\frac {31}{24}}$ ${\frac {7}{16}}$ ${\frac {23}{48}}$ ${\frac {23}{30}}$ ${\frac {17}{20}}$ ${\frac {2}{3}}$ ${\frac {2}{7}}$ ${\frac {2}{3}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 3, 1, 5 und 2.

a)

{\frac {3}{8}}+{\frac {7}{12}}+{\frac {1}{6}}=

b)

{\frac {1}{16}}+{\frac {1}{6}}+{\frac {3}{8}}=

c)

{\frac {1}{5}}+{\frac {3}{10}}+{\frac {1}{4}}=

d)

{\frac {1}{7}}+{\frac {1}{6}}+{\frac {1}{14}}=

2. Berechne und kürze mit 2, 6...

a)

{\frac {1}{4}}+{\frac {1}{14}}+{\frac {1}{7}}=

b)

{\frac {1}{18}}+{\frac {1}{6}}+{\frac {1}{4}}=

c)

{\frac {1}{4}}+{\frac {1}{12}}+{\frac {1}{18}}=

d)

{\frac {5}{6}}+{\frac {10}{9}}+{\frac {1}{2}}=

e)

{\frac {4}{21}}+{\frac {1}{6}}+{\frac {1}{14}}=

f)

{\frac {1}{4}}+{\frac {1}{8}}+{\frac {1}{6}}=

3. Berechne und kürze mit 5, 1, 1, 3...

a)

{\frac {1}{4}}+{\frac {7}{18}}+{\frac {1}{6}}=

b)

{\frac {1}{14}}+{\frac {1}{4}}+{\frac {1}{7}}=

c)

{\frac {1}{8}}+{\frac {7}{20}}+{\frac {2}{5}}=

d)

{\frac {5}{8}}+{\frac {7}{12}}+{\frac {2}{3}}=

4. Berechne und kürze mit 7, 3...

a)

{\frac {1}{7}}+{\frac {5}{14}}+{\frac {1}{4}}=

b)

{\frac {5}{6}}+{\frac {2}{9}}+{\frac {1}{3}}=

c)

{\frac {1}{12}}+{\frac {1}{9}}+{\frac {7}{18}}=

d)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{24}}=

e)

{\frac {1}{6}}+{\frac {1}{8}}+{\frac {7}{12}}=

f)

{\frac {3}{2}}+{\frac {1}{6}}+{\frac {1}{4}}=

Lösungen

${\frac {3}{16}}$ ${\frac {4}{9}}$ ${\frac {25}{18}}$ ${\frac {13}{28}}$ ${\frac {13}{28}}$ ${\frac {13}{24}}$ ${\frac {15}{8}}$ ${\frac {7}{8}}$ ${\frac {5}{12}}$ ${\frac {29}{36}}$ ${\frac {3}{7}}$ ${\frac {17}{36}}$ ${\frac {3}{4}}$ ${\frac {9}{8}}$ ${\frac {7}{18}}$ ${\frac {33}{20}}$ ${\frac {11}{12}}$ ${\frac {23}{12}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {7}{9}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {7}{12}}$ ${\frac {9}{16}}$ ${\frac {5}{16}}$ ${\frac {10}{9}}$ ${\frac {17}{18}}$ ${\frac {11}{36}}$ ${\frac {3}{16}}$ ${\frac {8}{21}}$ ${\frac {7}{12}}$ ${\frac {1}{3}}$ ${\frac {22}{9}}$ ${\frac {29}{48}}$ ${\frac {13}{9}}$ ${\frac {7}{8}}$ ${\frac {27}{50}}$ ${\frac {7}{16}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 21, 5 und 2.

a)

{\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{18}}=

b)

{\frac {4}{21}}+{\frac {1}{6}}+{\frac {1}{7}}=

c)

{\frac {3}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=

d)

{\frac {1}{2}}+{\frac {2}{9}}+{\frac {5}{6}}=

2. Berechne und kürze mit 3, 6...

a)

{\frac {1}{6}}+{\frac {1}{3}}+{\frac {3}{4}}=

b)

{\frac {1}{5}}+{\frac {1}{10}}+{\frac {7}{25}}=

c)

{\frac {7}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=

d)

{\frac {1}{6}}+{\frac {8}{15}}+{\frac {1}{10}}=

e)

{\frac {3}{8}}+{\frac {1}{6}}+{\frac {1}{3}}=

f)

{\frac {1}{3}}+{\frac {1}{4}}+{\frac {1}{6}}=

3. Berechne und kürze mit 3, 6, 1, 1...

a)

{\frac {1}{6}}+{\frac {1}{3}}+{\frac {7}{15}}=

b)

{\frac {1}{6}}+{\frac {3}{14}}+{\frac {1}{21}}=

c)

{\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{3}}=

d)

{\frac {1}{3}}+{\frac {8}{9}}+{\frac {1}{6}}=

4. Berechne und kürze mit 6, 5...

a)

{\frac {1}{14}}+{\frac {1}{6}}+{\frac {4}{21}}=

b)

{\frac {5}{24}}+{\frac {1}{8}}+{\frac {5}{16}}=

c)

{\frac {1}{6}}+{\frac {3}{4}}+{\frac {1}{3}}=

d)

{\frac {1}{10}}+{\frac {3}{8}}+{\frac {3}{20}}=

e)

{\frac {1}{6}}+{\frac {3}{4}}+{\frac {1}{3}}=

f)

{\frac {4}{9}}+{\frac {5}{6}}+{\frac {1}{3}}=

Lösungen

${\frac {17}{48}}$ ${\frac {3}{8}}$ ${\frac {5}{4}}$ ${\frac {5}{4}}$ ${\frac {29}{30}}$ ${\frac {29}{50}}$ ${\frac {3}{7}}$ ${\frac {3}{7}}$ ${\frac {29}{28}}$ ${\frac {25}{18}}$ ${\frac {4}{5}}$ ${\frac {23}{12}}$ ${\frac {25}{48}}$ ${\frac {14}{9}}$ ${\frac {23}{18}}$ ${\frac {29}{50}}$ ${\frac {9}{8}}$ ${\frac {29}{18}}$ ${\frac {8}{9}}$ ${\frac {5}{4}}$ ${\frac {7}{18}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {19}{24}}$ ${\frac {5}{8}}$ ${\frac {1}{3}}$ ${\frac {17}{18}}$ ${\frac {1}{3}}$ ${\frac {2}{3}}$ ${\frac {7}{8}}$ ${\frac {31}{48}}$ ${\frac {17}{36}}$ ${\frac {3}{4}}$ ${\frac {19}{18}}$ ${\frac {5}{8}}$ ${\frac {1}{2}}$ ${\frac {5}{6}}$ ${\frac {5}{4}}$ ${\frac {9}{10}}$ ${\frac {13}{28}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 7, 9 und 9.

a)

{\frac {1}{4}}+{\frac {1}{18}}+{\frac {1}{6}}=

b)

{\frac {3}{7}}+{\frac {8}{21}}+{\frac {5}{14}}=

c)

{\frac {1}{18}}+{\frac {1}{12}}+{\frac {1}{9}}=

d)

{\frac {1}{4}}+{\frac {7}{18}}+{\frac {1}{9}}=

2. Berechne und kürze mit 3, 5...

a)

{\frac {1}{6}}+{\frac {4}{9}}+{\frac {1}{12}}=

b)

{\frac {1}{3}}+{\frac {1}{8}}+{\frac {1}{6}}=

c)

{\frac {1}{8}}+{\frac {3}{10}}+{\frac {1}{5}}=

d)

{\frac {1}{16}}+{\frac {5}{12}}+{\frac {5}{24}}=

e)

{\frac {1}{16}}+{\frac {1}{12}}+{\frac {1}{6}}=

f)

{\frac {5}{6}}+{\frac {7}{9}}+{\frac {1}{3}}=

3. Berechne und kürze mit 5, 6, 3, 1...

a)

{\frac {1}{3}}+{\frac {1}{6}}+{\frac {1}{4}}=

b)

{\frac {1}{6}}+{\frac {1}{10}}+{\frac {1}{3}}=

c)

{\frac {1}{5}}+{\frac {4}{9}}+{\frac {2}{15}}=

d)

{\frac {1}{6}}+{\frac {2}{9}}+{\frac {5}{12}}=

4. Berechne und kürze mit 7, 2...

a)

{\frac {1}{8}}+{\frac {7}{20}}+{\frac {1}{4}}=

b)

{\frac {5}{14}}+{\frac {1}{4}}+{\frac {1}{7}}=

c)

{\frac {3}{16}}+{\frac {1}{8}}+{\frac {1}{6}}=

d)

{\frac {1}{4}}+{\frac {1}{12}}+{\frac {1}{18}}=

e)

{\frac {1}{6}}+{\frac {8}{9}}+{\frac {1}{2}}=

f)

{\frac {1}{15}}+{\frac {1}{5}}+{\frac {2}{9}}=

Lösungen

${\frac {22}{45}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {29}{40}}$ ${\frac {5}{8}}$ ${\frac {3}{5}}$ ${\frac {7}{9}}$ ${\frac {13}{28}}$ ${\frac {23}{48}}$ ${\frac {5}{8}}$ ${\frac {25}{36}}$ ${\frac {3}{8}}$ ${\frac {17}{36}}$ ${\frac {11}{16}}$ ${\frac {1}{3}}$ ${\frac {11}{12}}$ ${\frac {3}{4}}$ ${\frac {4}{7}}$ ${\frac {7}{6}}$ ${\frac {3}{4}}$ ${\frac {35}{18}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {29}{36}}$ ${\frac {7}{18}}$ ${\frac {17}{20}}$ ${\frac {9}{10}}$ ${\frac {1}{3}}$ ${\frac {5}{16}}$ ${\frac {4}{9}}$ ${\frac {5}{8}}$ ${\frac {7}{12}}$ ${\frac {5}{8}}$ ${\frac {4}{5}}$ ${\frac {1}{4}}$ ${\frac {14}{9}}$ ${\frac {5}{8}}$ ${\frac {1}{2}}$ ${\frac {17}{18}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 3, 9 und 1.

a)

{\frac {1}{25}}+{\frac {1}{5}}+{\frac {1}{10}}=

b)

{\frac {1}{12}}+{\frac {1}{6}}+{\frac {5}{16}}=

c)

{\frac {5}{12}}+{\frac {5}{18}}+{\frac {5}{9}}=

d)

{\frac {3}{14}}+{\frac {1}{4}}+{\frac {3}{7}}=

2. Berechne und kürze mit 14, 21...

a)

{\frac {1}{9}}+{\frac {1}{15}}+{\frac {1}{5}}=

b)

{\frac {4}{21}}+{\frac {1}{6}}+{\frac {1}{14}}=

c)

{\frac {2}{7}}+{\frac {1}{6}}+{\frac {1}{21}}=

d)

{\frac {1}{18}}+{\frac {1}{12}}+{\frac {1}{4}}=

e)

{\frac {1}{6}}+{\frac {2}{21}}+{\frac {1}{14}}=

f)

{\frac {1}{15}}+{\frac {1}{6}}+{\frac {1}{10}}=

3. Berechne und kürze mit 7, 1, 10, 1...

a)

{\frac {1}{15}}+{\frac {1}{6}}+{\frac {1}{10}}=

b)

{\frac {1}{4}}+{\frac {1}{14}}+{\frac {4}{7}}=

c)

{\frac {1}{7}}+{\frac {10}{21}}+{\frac {3}{14}}=

d)

{\frac {9}{10}}+{\frac {1}{4}}+{\frac {1}{2}}=

4. Berechne und kürze mit 14, 6...

a)

{\frac {1}{20}}+{\frac {1}{4}}+{\frac {3}{8}}=

b)

{\frac {2}{15}}+{\frac {1}{10}}+{\frac {1}{6}}=

c)

{\frac {3}{7}}+{\frac {1}{14}}+{\frac {1}{6}}=

d)

{\frac {1}{10}}+{\frac {1}{5}}+{\frac {4}{25}}=

e)

{\frac {1}{4}}+{\frac {5}{6}}+{\frac {1}{2}}=

f)

{\frac {1}{6}}+{\frac {2}{3}}+{\frac {2}{15}}=

Lösungen

${\frac {17}{50}}$ ${\frac {1}{2}}$ ${\frac {23}{50}}$ ${\frac {9}{16}}$ ${\frac {2}{3}}$ ${\frac {1}{3}}$ ${\frac {1}{3}}$ ${\frac {5}{6}}$ ${\frac {11}{18}}$ ${\frac {33}{20}}$ ${\frac {25}{12}}$ ${\frac {17}{45}}$ ${\frac {1}{3}}$ ${\frac {17}{50}}$ ${\frac {7}{18}}$ ${\frac {17}{36}}$ ${\frac {7}{18}}$ ${\frac {19}{40}}$ ${\frac {3}{4}}$ ${\frac {3}{7}}$ ${\frac {7}{4}}$ ${\frac {3}{4}}$ ${\frac {25}{28}}$ ${\frac {1}{3}}$ ${\frac {2}{5}}$ ${\frac {19}{12}}$ ${\frac {17}{48}}$ ${\frac {29}{40}}$ ${\frac {7}{18}}$ ${\frac {5}{8}}$ ${\frac {4}{5}}$ ${\frac {1}{2}}$ ${\frac {19}{48}}$ ${\frac {3}{4}}$ ${\frac {25}{28}}$ ${\frac {5}{4}}$ ${\frac {29}{30}}$ ${\frac {27}{40}}$ ${\frac {17}{28}}$ ${\frac {3}{8}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 3, 3 und 1.

a)

{\frac {1}{6}}+{\frac {3}{4}}+{\frac {3}{2}}=

b)

{\frac {1}{8}}+{\frac {1}{12}}+{\frac {2}{3}}=

c)

{\frac {4}{3}}+{\frac {1}{6}}+{\frac {1}{4}}=

d)

{\frac {2}{25}}+{\frac {1}{10}}+{\frac {1}{5}}=

2. Berechne und kürze mit 3, 14...

a)

{\frac {1}{12}}+{\frac {1}{6}}+{\frac {1}{16}}=

b)

{\frac {1}{6}}+{\frac {5}{12}}+{\frac {5}{18}}=

c)

{\frac {1}{4}}+{\frac {1}{3}}+{\frac {1}{6}}=

d)

{\frac {1}{6}}+{\frac {1}{2}}+{\frac {4}{9}}=

e)

{\frac {3}{2}}+{\frac {5}{6}}+{\frac {1}{4}}=

f)

{\frac {2}{7}}+{\frac {1}{6}}+{\frac {3}{14}}=

3. Berechne und kürze mit 5, 3, 1, 3...

a)

{\frac {1}{4}}+{\frac {9}{14}}+{\frac {2}{7}}=

b)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{6}}=

c)

{\frac {1}{10}}+{\frac {1}{8}}+{\frac {2}{5}}=

d)

{\frac {1}{3}}+{\frac {1}{6}}+{\frac {5}{4}}=

4. Berechne und kürze mit 42, 4...

a)

{\frac {1}{4}}+{\frac {1}{18}}+{\frac {1}{9}}=

b)

{\frac {5}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=

c)

{\frac {2}{9}}+{\frac {5}{12}}+{\frac {1}{4}}=

d)

{\frac {5}{18}}+{\frac {1}{6}}+{\frac {1}{4}}=

e)

{\frac {5}{14}}+{\frac {1}{6}}+{\frac {10}{21}}=

f)

{\frac {7}{12}}+{\frac {3}{8}}+{\frac {1}{6}}=

Lösungen

${\frac {5}{4}}$ ${\frac {7}{4}}$ ${\frac {1}{1}}$ ${\frac {7}{4}}$ ${\frac {5}{12}}$ ${\frac {10}{9}}$ ${\frac {5}{16}}$ ${\frac {5}{8}}$ ${\frac {4}{9}}$ ${\frac {9}{8}}$ ${\frac {25}{36}}$ ${\frac {7}{8}}$ ${\frac {11}{8}}$ ${\frac {29}{12}}$ ${\frac {31}{36}}$ ${\frac {11}{18}}$ ${\frac {3}{7}}$ ${\frac {3}{4}}$ ${\frac {11}{12}}$ ${\frac {19}{50}}$ ${\frac {11}{18}}$ ${\frac {7}{18}}$ ${\frac {33}{28}}$ ${\frac {2}{3}}$ ${\frac {7}{4}}$ ${\frac {19}{18}}$ ${\frac {7}{4}}$ ${\frac {19}{48}}$ ${\frac {11}{10}}$ ${\frac {7}{4}}$ ${\frac {8}{9}}$ ${\frac {5}{16}}$ ${\frac {3}{16}}$ ${\frac {1}{3}}$ ${\frac {31}{12}}$ ${\frac {3}{4}}$ ${\frac {7}{4}}$ ${\frac {25}{36}}$ ${\frac {17}{18}}$ ${\frac {5}{12}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 5, 2 und 9.

a)

{\frac {5}{6}}+{\frac {5}{4}}+{\frac {1}{2}}=

b)

{\frac {2}{15}}+{\frac {1}{5}}+{\frac {1}{9}}=

c)

{\frac {5}{12}}+{\frac {1}{18}}+{\frac {1}{4}}=

d)

{\frac {1}{4}}+{\frac {4}{9}}+{\frac {1}{18}}=

2. Berechne und kürze mit 4, 6...

a)

{\frac {3}{10}}+{\frac {1}{6}}+{\frac {1}{3}}=

b)

{\frac {1}{12}}+{\frac {1}{4}}+{\frac {1}{9}}=

c)

{\frac {1}{10}}+{\frac {2}{25}}+{\frac {2}{5}}=

d)

{\frac {1}{6}}+{\frac {1}{18}}+{\frac {1}{4}}=

e)

{\frac {1}{12}}+{\frac {1}{4}}+{\frac {1}{18}}=

f)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{6}}=

3. Berechne und kürze mit 1, 1, 2, 5...

a)

{\frac {1}{6}}+{\frac {7}{9}}+{\frac {1}{2}}=

b)

{\frac {2}{25}}+{\frac {3}{10}}+{\frac {1}{5}}=

c)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{8}}=

d)

{\frac {1}{8}}+{\frac {1}{20}}+{\frac {1}{5}}=

4. Berechne und kürze mit 3, 3...

a)

{\frac {1}{8}}+{\frac {7}{12}}+{\frac {1}{6}}=

b)

{\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=

c)

{\frac {1}{6}}+{\frac {5}{12}}+{\frac {1}{18}}=

d)

{\frac {5}{4}}+{\frac {1}{3}}+{\frac {1}{6}}=

e)

{\frac {1}{24}}+{\frac {3}{16}}+{\frac {1}{8}}=

f)

{\frac {5}{24}}+{\frac {1}{6}}+{\frac {1}{16}}=

Lösungen

${\frac {19}{48}}$ ${\frac {3}{4}}$ ${\frac {23}{36}}$ ${\frac {31}{12}}$ ${\frac {11}{12}}$ ${\frac {17}{36}}$ ${\frac {13}{48}}$ ${\frac {3}{8}}$ ${\frac {13}{28}}$ ${\frac {7}{8}}$ ${\frac {3}{4}}$ ${\frac {4}{9}}$ ${\frac {3}{4}}$ ${\frac {13}{18}}$ ${\frac {29}{50}}$ ${\frac {27}{20}}$ ${\frac {1}{3}}$ ${\frac {29}{36}}$ ${\frac {15}{16}}$ ${\frac {3}{4}}$ ${\frac {5}{16}}$ ${\frac {5}{16}}$ ${\frac {29}{50}}$ ${\frac {7}{18}}$ ${\frac {13}{9}}$ ${\frac {7}{4}}$ ${\frac {17}{18}}$ ${\frac {1}{3}}$ ${\frac {3}{4}}$ ${\frac {9}{16}}$ ${\frac {17}{48}}$ ${\frac {4}{5}}$ ${\frac {11}{24}}$ ${\frac {1}{4}}$ ${\frac {9}{16}}$ ${\frac {4}{9}}$ ${\frac {29}{18}}$ ${\frac {17}{36}}$ ${\frac {5}{7}}$ ${\frac {7}{16}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 1, 3, 14 und 7.

a)

{\frac {1}{9}}+{\frac {1}{12}}+{\frac {1}{6}}=

b)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{6}}=

c)

{\frac {1}{14}}+{\frac {3}{7}}+{\frac {1}{6}}=

d)

{\frac {3}{7}}+{\frac {1}{14}}+{\frac {1}{4}}=

2. Berechne und kürze mit 7, 9...

a)

{\frac {7}{6}}+{\frac {5}{4}}+{\frac {1}{3}}=

b)

{\frac {1}{4}}+{\frac {7}{10}}+{\frac {3}{5}}=

c)

{\frac {3}{14}}+{\frac {1}{4}}+{\frac {2}{7}}=

d)

{\frac {1}{9}}+{\frac {7}{18}}+{\frac {1}{4}}=

e)

{\frac {1}{14}}+{\frac {10}{21}}+{\frac {3}{7}}=

f)

{\frac {5}{6}}+{\frac {3}{4}}+{\frac {2}{3}}=

3. Berechne und kürze mit 1, 2, 1, 3...

a)

{\frac {1}{6}}+{\frac {2}{3}}+{\frac {7}{9}}=

b)

{\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{2}}=

c)

{\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=

d)

{\frac {4}{21}}+{\frac {1}{6}}+{\frac {3}{7}}=

4. Berechne und kürze mit 5, 5...

a)

{\frac {1}{4}}+{\frac {1}{3}}+{\frac {1}{6}}=

b)

{\frac {1}{4}}+{\frac {1}{18}}+{\frac {1}{12}}=

c)

{\frac {2}{5}}+{\frac {1}{9}}+{\frac {4}{15}}=

d)

{\frac {1}{6}}+{\frac {1}{12}}+{\frac {5}{16}}=

e)

{\frac {1}{18}}+{\frac {5}{12}}+{\frac {1}{4}}=

f)

{\frac {1}{5}}+{\frac {1}{8}}+{\frac {3}{10}}=

Lösungen

${\frac {13}{8}}$ ${\frac {2}{7}}$ ${\frac {7}{9}}$ ${\frac {13}{36}}$ ${\frac {7}{18}}$ ${\frac {3}{4}}$ ${\frac {11}{14}}$ ${\frac {7}{9}}$ ${\frac {5}{12}}$ ${\frac {3}{4}}$ ${\frac {19}{24}}$ ${\frac {3}{4}}$ ${\frac {43}{50}}$ ${\frac {5}{16}}$ ${\frac {31}{20}}$ ${\frac {3}{4}}$ ${\frac {5}{7}}$ ${\frac {1}{4}}$ ${\frac {25}{48}}$ ${\frac {11}{4}}$ ${\frac {11}{12}}$ ${\frac {9}{4}}$ ${\frac {29}{18}}$ ${\frac {7}{9}}$ ${\frac {11}{12}}$ ${\frac {9}{16}}$ ${\frac {13}{18}}$ ${\frac {7}{4}}$ ${\frac {11}{18}}$ ${\frac {2}{3}}$ ${\frac {13}{18}}$ ${\frac {2}{3}}$ ${\frac {7}{18}}$ ${\frac {14}{9}}$ ${\frac {41}{42}}$ ${\frac {3}{4}}$ ${\frac {5}{8}}$ ${\frac {1}{3}}$ ${\frac {25}{42}}$ ${\frac {5}{16}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 3, 6, 1 und 3.

a)

{\frac {1}{6}}+{\frac {2}{3}}+{\frac {4}{15}}=

b)

{\frac {4}{21}}+{\frac {1}{6}}+{\frac {1}{14}}=

c)

{\frac {1}{4}}+{\frac {1}{14}}+{\frac {1}{7}}=

d)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{6}}=

2. Berechne und kürze mit 5, 7...

a)

{\frac {3}{10}}+{\frac {1}{2}}+{\frac {3}{4}}=

b)

{\frac {5}{18}}+{\frac {5}{12}}+{\frac {1}{4}}=

c)

{\frac {1}{18}}+{\frac {1}{12}}+{\frac {4}{9}}=

d)

{\frac {1}{16}}+{\frac {1}{6}}+{\frac {1}{12}}=

e)

{\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=

f)

{\frac {1}{4}}+{\frac {3}{7}}+{\frac {1}{14}}=

3. Berechne und kürze mit 1, 9, 2, 1...

a)

{\frac {1}{5}}+{\frac {1}{10}}+{\frac {1}{6}}=

b)

{\frac {1}{18}}+{\frac {1}{9}}+{\frac {1}{12}}=

c)

{\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=

d)

{\frac {7}{6}}+{\frac {3}{4}}+{\frac {3}{2}}=

4. Berechne und kürze mit 7, 5...

a)

{\frac {3}{7}}+{\frac {1}{4}}+{\frac {1}{14}}=

b)

{\frac {1}{4}}+{\frac {5}{14}}+{\frac {3}{7}}=

c)

{\frac {1}{12}}+{\frac {5}{16}}+{\frac {1}{6}}=

d)

{\frac {5}{18}}+{\frac {1}{4}}+{\frac {1}{12}}=

e)

{\frac {2}{15}}+{\frac {4}{9}}+{\frac {1}{5}}=

f)

{\frac {1}{5}}+{\frac {1}{10}}+{\frac {1}{25}}=

Lösungen

${\frac {3}{8}}$ ${\frac {11}{4}}$ ${\frac {11}{18}}$ ${\frac {3}{7}}$ ${\frac {1}{4}}$ ${\frac {7}{12}}$ ${\frac {11}{18}}$ ${\frac {7}{15}}$ ${\frac {7}{16}}$ ${\frac {3}{4}}$ ${\frac {5}{16}}$ ${\frac {3}{4}}$ ${\frac {1}{3}}$ ${\frac {13}{28}}$ ${\frac {17}{18}}$ ${\frac {5}{4}}$ ${\frac {7}{8}}$ ${\frac {7}{4}}$ ${\frac {5}{8}}$ ${\frac {5}{16}}$ ${\frac {4}{9}}$ ${\frac {19}{18}}$ ${\frac {41}{12}}$ ${\frac {7}{9}}$ ${\frac {9}{16}}$ ${\frac {7}{9}}$ ${\frac {3}{4}}$ ${\frac {23}{48}}$ ${\frac {7}{16}}$ ${\frac {3}{4}}$ ${\frac {29}{28}}$ ${\frac {31}{20}}$ ${\frac {3}{4}}$ ${\frac {17}{36}}$ ${\frac {9}{16}}$ ${\frac {11}{10}}$ ${\frac {17}{50}}$ ${\frac {7}{12}}$ ${\frac {7}{16}}$ ${\frac {7}{9}}$

Berechne und kürze wenn möglich.

1. Berechne und kürze mit 2, 4, 9 und 3.

a)

{\frac {1}{9}}+{\frac {1}{2}}+{\frac {5}{6}}=

b)

{\frac {2}{9}}+{\frac {1}{12}}+{\frac {1}{4}}=

c)

{\frac {4}{9}}+{\frac {1}{4}}+{\frac {1}{18}}=

d)

{\frac {1}{12}}+{\frac {1}{8}}+{\frac {1}{6}}=

2. Berechne und kürze mit 4, 9...

a)

{\frac {1}{15}}+{\frac {1}{10}}+{\frac {1}{5}}=

b)

{\frac {1}{6}}+{\frac {3}{16}}+{\frac {1}{12}}=

c)

{\frac {1}{4}}+{\frac {1}{9}}+{\frac {7}{18}}=

d)

{\frac {1}{12}}+{\frac {1}{6}}+{\frac {1}{16}}=

e)

{\frac {1}{3}}+{\frac {1}{6}}+{\frac {8}{9}}=

f)

{\frac {2}{9}}+{\frac {1}{4}}+{\frac {5}{12}}=

3. Berechne und kürze mit 7, 3, 3, 2...

a)

{\frac {1}{12}}+{\frac {1}{6}}+{\frac {1}{16}}=

b)

{\frac {1}{12}}+{\frac {1}{16}}+{\frac {1}{6}}=

c)

{\frac {1}{4}}+{\frac {3}{14}}+{\frac {2}{7}}=

d)

{\frac {5}{18}}+{\frac {1}{12}}+{\frac {1}{4}}=

4. Berechne und kürze mit 14, 9...

a)

{\frac {3}{4}}+{\frac {9}{10}}+{\frac {1}{2}}=

b)

{\frac {1}{9}}+{\frac {1}{12}}+{\frac {1}{18}}=

c)

{\frac {1}{6}}+{\frac {5}{14}}+{\frac {1}{7}}=

d)

{\frac {1}{10}}+{\frac {2}{5}}+{\frac {1}{4}}=

e)

{\frac {4}{9}}+{\frac {1}{12}}+{\frac {1}{18}}=

f)

{\frac {1}{4}}+{\frac {1}{6}}+{\frac {3}{8}}=

Lösungen

${\frac {13}{18}}$ ${\frac {17}{50}}$ ${\frac {3}{4}}$ ${\frac {13}{9}}$ ${\frac {1}{4}}$ ${\frac {7}{16}}$ ${\frac {5}{16}}$ ${\frac {3}{4}}$ ${\frac {7}{9}}$ ${\frac {11}{18}}$ ${\frac {8}{9}}$ ${\frac {5}{16}}$ ${\frac {3}{4}}$ ${\frac {5}{9}}$ ${\frac {25}{18}}$ ${\frac {11}{12}}$ ${\frac {3}{4}}$ ${\frac {1}{4}}$ ${\frac {17}{36}}$ ${\frac {11}{30}}$ ${\frac {4}{9}}$ ${\frac {2}{3}}$ ${\frac {5}{16}}$ ${\frac {29}{12}}$ ${\frac {43}{20}}$ ${\frac {2}{3}}$ ${\frac {4}{9}}$ ${\frac {3}{4}}$ ${\frac {3}{5}}$ ${\frac {41}{36}}$ ${\frac {7}{12}}$ ${\frac {3}{8}}$ ${\frac {5}{4}}$ ${\frac {11}{8}}$ ${\frac {3}{4}}$ ${\frac {3}{4}}$ ${\frac {19}{24}}$ ${\frac {1}{3}}$ ${\frac {2}{3}}$ ${\frac {1}{3}}$