Решите 8/15 + 3/10 = 2/3 - 1/15

Question

Решите 8/15 + 3/10 =
2/3 - 1/15

Answer 1

8/15 + 3/10 = 16/30+9/30 = 25/30 = 5/6
2/3 - 1/15 =10/15 - 1/15 = 9/15 = 3/5