Question

Помогите плизз помогите задание 621 хэлп

Answer 1

1) 1/3 + 1/5 = (5+3)/15
2) 1/5 + 1/9 = (9+5)/45
3) 1/7 + 1/4 = (4+7)/28
4) 1/3 + 1/8 = (8+3)/24
5) 1/3 + 1/2 = (2+3)/6
6) 1/6 + 1/7 = (7+6)/42