Question

Quanto é
4/7 + 5/7 =
8/3 - 1/3 =
3/2 + 6/5 =
7/4 + 7/6 =
2/5 + 1/8 + 3/4 =
1/3 + 7/9 - 5/6 = ​

Answer 1

4/7 + 5/7 = 9/7

8/3 - 1/3 = 7/3

3/2 + 6/5

15/10 + 12/10 = 27/10

7/4 + 7/6

21/12 + 14/12 = 35/12

2/5 + 1/8 + 3/4

16/40 + 5/40 + 30/40 = 51/40

1/3 + 7/9 - 5/6

6/18 + 14/18 - 15/18 = 35/18