Mathematikunterricht/ Sek/ Brüche/ Ü/ Add3 NennerNeu 20max A4 1

Übungsbeispiele zur Addition von jeweils 3 Brüchen.

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

b) ${\frac {1}{5}}+{\frac {1}{4}}+{\frac {3}{10}}=$

c) ${\frac {1}{6}}+{\frac {1}{2}}+{\frac {1}{4}}=$

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

2. Berechne und kürze mit 5, 5...

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

b) ${\frac {3}{10}}+{\frac {1}{5}}+{\frac {1}{4}}=$

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

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

e) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

f) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

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

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

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

c) ${\frac {1}{10}}+{\frac {2}{5}}+{\frac {1}{4}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

4. Berechne und kürze mit 3, 3...

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

b) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{3}}+{\frac {1}{9}}+{\frac {1}{6}}=$

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

e) ${\frac {1}{2}}+{\frac {1}{6}}+{\frac {1}{4}}=$

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

Lösungen

${\frac {3}{4}}$  ${\frac {23}{12}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {7}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {17}{12}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{12}}$  ${\frac {17}{12}}$  ${\frac {11}{18}}$  ${\frac {13}{18}}$  ${\frac {25}{12}}$  ${\frac {19}{12}}$  ${\frac {7}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {23}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {19}{12}}$  ${\frac {25}{12}}$  ${\frac {3}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

b) ${\frac {4}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

d) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

2. Berechne und kürze mit 3, 5...

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

b) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

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

d) ${\frac {3}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

e) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {2}{9}}=$

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

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

a) ${\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=$

b) ${\frac {5}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=$

d) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

4. Berechne und kürze mit 5, 3...

a) ${\frac {1}{4}}+{\frac {5}{6}}+{\frac {1}{2}}=$

b) ${\frac {1}{6}}+{\frac {2}{9}}+{\frac {1}{3}}=$

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

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

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

f) ${\frac {1}{5}}+{\frac {1}{4}}+{\frac {3}{10}}=$

Lösungen

${\frac {5}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {7}{4}}$  ${\frac {19}{18}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {19}{12}}$  ${\frac {19}{12}}$  ${\frac {17}{12}}$  ${\frac {17}{18}}$  ${\frac {11}{20}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {13}{18}}$  ${\frac {19}{12}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {25}{12}}$  ${\frac {11}{12}}$  ${\frac {5}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {19}{18}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{5}}+{\frac {1}{4}}+{\frac {3}{10}}=$

b) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

c) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

d) ${\frac {4}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

2. Berechne und kürze mit 3, 5...

a) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

b) ${\frac {1}{2}}+{\frac {1}{4}}+{\frac {5}{6}}=$

c) ${\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=$

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

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

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

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

a) ${\frac {1}{2}}+{\frac {1}{4}}+{\frac {1}{6}}=$

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

c) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

4. Berechne und kürze mit 5, 5...

a) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

b) ${\frac {2}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

c) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

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

e) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

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

Lösungen

${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {13}{18}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {9}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {5}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {19}{12}}$  ${\frac {5}{4}}$  ${\frac {25}{12}}$  ${\frac {5}{4}}$  ${\frac {17}{18}}$  ${\frac {5}{4}}$  ${\frac {11}{12}}$  ${\frac {11}{20}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {9}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{3}}+{\frac {4}{9}}+{\frac {1}{6}}=$

b) ${\frac {1}{6}}+{\frac {1}{4}}+{\frac {1}{2}}=$

c) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

d) ${\frac {2}{5}}+{\frac {1}{10}}+{\frac {1}{4}}=$

2. Berechne und kürze mit 5, 5...

a) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

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

c) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

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

e) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

f) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {1}{9}}=$

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

a) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

b) ${\frac {1}{4}}+{\frac {1}{2}}+{\frac {5}{6}}=$

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

d) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

4. Berechne und kürze mit 3, 1...

a) ${\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=$

b) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {4}{9}}=$

d) ${\frac {3}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

e) ${\frac {1}{2}}+{\frac {5}{6}}+{\frac {1}{4}}=$

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

Lösungen

${\frac {11}{18}}$  ${\frac {19}{18}}$  ${\frac {17}{18}}$  ${\frac {11}{12}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {5}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {17}{18}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {17}{12}}$  ${\frac {17}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {17}{12}}$  ${\frac {3}{4}}$  ${\frac {13}{12}}$  ${\frac {19}{18}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {17}{18}}$  ${\frac {17}{18}}$  ${\frac {19}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {11}{12}}$  ${\frac {13}{18}}$  ${\frac {19}{12}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{5}}+{\frac {3}{10}}+{\frac {1}{4}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

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

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

2. Berechne und kürze mit 5, 5...

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

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

c) ${\frac {1}{10}}+{\frac {2}{5}}+{\frac {1}{4}}=$

d) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

e) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {5}{9}}=$

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

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

a) ${\frac {1}{6}}+{\frac {1}{9}}+{\frac {1}{3}}=$

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

c) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

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

4. Berechne und kürze mit 5, 3...

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

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

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

d) ${\frac {5}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

e) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

f) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

Lösungen

${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{20}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {19}{18}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {11}{12}}$  ${\frac {19}{18}}$  ${\frac {19}{18}}$  ${\frac {5}{4}}$  ${\frac {7}{4}}$  ${\frac {11}{18}}$  ${\frac {5}{4}}$  ${\frac {7}{4}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {25}{12}}$  ${\frac {3}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{6}}+{\frac {1}{4}}+{\frac {1}{2}}=$

b) ${\frac {1}{6}}+{\frac {5}{9}}+{\frac {1}{3}}=$

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

d) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

2. Berechne und kürze mit 3, 5...

a) ${\frac {4}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

b) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{6}}+{\frac {4}{9}}+{\frac {1}{3}}=$

d) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

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

f) ${\frac {1}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=$

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

a) ${\frac {4}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

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

c) ${\frac {4}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

d) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

4. Berechne und kürze mit 5, 5...

a) ${\frac {1}{6}}+{\frac {1}{4}}+{\frac {1}{2}}=$

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

c) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

d) ${\frac {2}{5}}+{\frac {1}{10}}+{\frac {1}{4}}=$

e) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

f) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

Lösungen

${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {11}{12}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {17}{18}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {19}{18}}$  ${\frac {11}{12}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {17}{18}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{6}}+{\frac {2}{9}}+{\frac {1}{3}}=$

b) ${\frac {1}{6}}+{\frac {5}{9}}+{\frac {1}{3}}=$

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

d) ${\frac {1}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=$

2. Berechne und kürze mit 3, 5...

a) ${\frac {1}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=$

b) ${\frac {2}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{6}}+{\frac {4}{9}}+{\frac {1}{3}}=$

d) ${\frac {1}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

e) ${\frac {1}{6}}+{\frac {3}{4}}+{\frac {1}{2}}=$

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

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

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

b) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

c) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {1}{9}}=$

d) ${\frac {1}{4}}+{\frac {1}{2}}+{\frac {1}{6}}=$

4. Berechne und kürze mit 5, 3...

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

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

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

d) ${\frac {1}{10}}+{\frac {2}{5}}+{\frac {1}{4}}=$

e) ${\frac {1}{4}}+{\frac {1}{6}}+{\frac {1}{2}}=$

f) ${\frac {1}{4}}+{\frac {1}{2}}+{\frac {1}{6}}=$

Lösungen

${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {17}{18}}$  ${\frac {5}{4}}$  ${\frac {11}{18}}$  ${\frac {19}{18}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {17}{12}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {2}{9}}+{\frac {1}{3}}+{\frac {1}{6}}=$

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

c) ${\frac {1}{6}}+{\frac {1}{2}}+{\frac {1}{4}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

2. Berechne und kürze mit 5, 5...

a) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

b) ${\frac {1}{2}}+{\frac {1}{4}}+{\frac {5}{6}}=$

c) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

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

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

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

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

a) ${\frac {1}{2}}+{\frac {1}{6}}+{\frac {3}{4}}=$

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

c) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

d) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {1}{5}}=$

4. Berechne und kürze mit 5, 5...

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

b) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

c) ${\frac {1}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=$

d) ${\frac {1}{4}}+{\frac {3}{10}}+{\frac {1}{5}}=$

e) ${\frac {2}{5}}+{\frac {1}{10}}+{\frac {1}{4}}=$

f) ${\frac {1}{2}}+{\frac {1}{6}}+{\frac {1}{4}}=$

Lösungen

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

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{5}}+{\frac {3}{10}}+{\frac {1}{4}}=$

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

c) ${\frac {1}{3}}+{\frac {1}{6}}+{\frac {1}{9}}=$

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

2. Berechne und kürze mit 5, 5...

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

b) ${\frac {3}{10}}+{\frac {1}{5}}+{\frac {1}{4}}=$

c) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

d) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

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

f) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

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

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

b) ${\frac {2}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

c) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

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

4. Berechne und kürze mit 5, 5...

a) ${\frac {1}{9}}+{\frac {1}{6}}+{\frac {1}{3}}=$

b) ${\frac {5}{6}}+{\frac {1}{2}}+{\frac {1}{4}}=$

c) ${\frac {3}{10}}+{\frac {1}{4}}+{\frac {1}{5}}=$

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

e) ${\frac {2}{5}}+{\frac {1}{4}}+{\frac {1}{10}}=$

f) ${\frac {1}{4}}+{\frac {2}{5}}+{\frac {1}{10}}=$

Lösungen

${\frac {11}{12}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {7}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {19}{12}}$  ${\frac {5}{4}}$  ${\frac {17}{18}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$ 

Berechne und kürze wenn möglich.

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

a) ${\frac {1}{4}}+{\frac {1}{2}}+{\frac {1}{6}}=$

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

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

d) ${\frac {1}{5}}+{\frac {3}{10}}+{\frac {1}{4}}=$

2. Berechne und kürze mit 5, 5...

a) ${\frac {1}{6}}+{\frac {5}{9}}+{\frac {1}{3}}=$

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

c) ${\frac {1}{6}}+{\frac {3}{4}}+{\frac {1}{2}}=$

d) ${\frac {1}{4}}+{\frac {1}{5}}+{\frac {3}{10}}=$

e) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

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

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

a) ${\frac {1}{2}}+{\frac {1}{4}}+{\frac {1}{6}}=$

b) ${\frac {1}{4}}+{\frac {1}{10}}+{\frac {2}{5}}=$

c) ${\frac {1}{3}}+{\frac {5}{9}}+{\frac {1}{6}}=$

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

4. Berechne und kürze mit 5, 5...

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

b) ${\frac {1}{4}}+{\frac {5}{6}}+{\frac {1}{2}}=$

c) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

d) ${\frac {1}{10}}+{\frac {1}{4}}+{\frac {2}{5}}=$

e) ${\frac {1}{6}}+{\frac {1}{3}}+{\frac {2}{9}}=$

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

Lösungen

${\frac {17}{12}}$  ${\frac {5}{4}}$  ${\frac {13}{18}}$  ${\frac {19}{18}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {9}{4}}$  ${\frac {19}{18}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {17}{18}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {13}{18}}$  ${\frac {13}{18}}$  ${\frac {11}{18}}$  ${\frac {13}{18}}$  ${\frac {3}{4}}$  ${\frac {11}{18}}$  ${\frac {17}{12}}$  ${\frac {3}{4}}$  ${\frac {19}{20}}$  ${\frac {3}{4}}$  ${\frac {19}{12}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{12}}$  ${\frac {3}{4}}$  ${\frac {11}{20}}$  ${\frac {3}{4}}$  ${\frac {19}{18}}$  ${\frac {3}{4}}$  ${\frac {5}{4}}$