Question

2/7 + 5/14
1) 7/12
2) 9/14
3) 5/21
4) 2/21

Answer 1

Ответ:

4/14+5/14=9/14 ответ номер 2)

Answer 2

2) 2/7 + 5/13 = 9/14

2/7 + 5/14 = 4/14 + 5/14 =9/14