Question

2/21+5/7
8/6+7/42
13/2+3/11
21/15+8/3
5/6+1/21
1/15+3/10

con los que puedan ayudarme xfa doy coronita ​

Answer 1

2/21+5/7 => 2+15/21 =>17/21

8/6+7/42 => 8/6+1/6 => 9/6 => 3/2

13/2+3/11 => 143+6/22 => 149/22

21/15+8/3 => 21+40/15 => 61/15

5/6+1/21 => 35+2/42 => 37/42

1/15+3/10 => 2+9/30 => 11/30