Question

1. Resuelve las siguiguientes fracciones.
15 10 21
--- + --- + --- =
11 11 11

12 4 2
--- + --- + --- =
7 7 7

3 1 5
--- + --- + --- =
5 3 2

4 3 1
--- - --- - --- =
2 5 4

1 3 5
--- × --- × --- =
3 2 4

3 4 2
--- × --- × --- =
7 1 3

4 3
--- ÷ ---
3 5

8 2
--- ÷ ---
3 7

4
4 ---
7

1
2 ---
4
ayudaa​

Answer 1

1-. 46/11
2-. 18/7
3-. 103/30
4-. 23/20
5-. 5/8
6-. 8/7
7-. 20/9
8-. 28/3
9-. 32/7
10-. 4/9