12. Addiere drei Brüche
Name: _____________________Addiere die 3 Brüche. Mache den Nenner gleich.
1. ) 1
2 + 1 4 + 1
6 = + + = 11 12
2. ) 1 3 + 1
5 + 1
10 = + + = 19 30
3. ) 1
2 + 1 10+ 1
5 = + + = 8 10
4. ) 1 3 + 1
8+ 1
6= + + = 15 24
5. ) 1 2 + 1
4+ 1
7= + + = 25 28
6. ) 1 4 + 1
5 + 1
2 = + + = 19 20
7. ) 1 6 + 1
9+ 1
3= + + = 11 18
8. ) 1
5 + 1
20 + 1
8 = + + = 3 8
9. ) 1 4 + 1
8 + 1
12 = + + = 11 24
10. ) 1
10 + 1
6 + 1
15 = + + = 1 3
