Question

Calcule a soma das frações. Se necessário, simplifique

3/9 + 3/3 =

3/7 + 3/8 =

2/5 + 1/2 =

1/2 + 4/5 =

5/6 + 1/3 =

9/5 + 3/4 =

1/3 + 3/2 =

23/9 + 30/3 =

3/5 + 5/7 =

12/5 + 3/7 =

5/7 + 83 =

2/3 + 5/18 =

7/10 + 9/30 =


AJUDA

Answer 1

3/9 + 3/3 = 4/3

3/7 + 3/8 = 45/56

2/5 + 1/2 = 9/10

1/2 + 4/5 = 13/10

5/6 + 1/3 = 7/6

9/5 + 3/4 = 51/20

1/3 + 3/2 = 11/6

23/9 + 30/3 = 113/9

3/5 + 5/7 = 46/35

12/5 + 3/7 = 99/35

5/7 + 83 = 71/21

2/3 + 5/18 = 17/18

7/10 + 9/30 = 1