Помогите! 5/6 + 9/14

Question

Помогите! 5/6 + 9/14

Comments

= 1 10/21

Answer 1

5 6 + 9 14 = 5 · 7 6 · 7 + 9 · 3 14 · 3 = 35 42 + 27 42 = 35 + 27 42 = 62 42 = 31 · 2 21 · 2 = 31 21 = 1·21 + 10 21 = 1 10

Comments

Ответ 1 целое 10/21