Решите. 1) 7/84 + 3/12 2) 5/16 - 2/17

Question

Решите.
1) 7/84 + 3/12
2) 5/16 - 2/17

Answer 1

1) 7/84+3/12= 7/84+ 21/84= 28/84= 1/3

2) 5/16-2/17= 85/272- 32/272= 53/272

Answer 2

Решение внизу на фото

---