Question

помогите пожалуйста с примером

Answer 1

..............................................

Answer 2

Пошаговое объяснение:

1) 30 : 27 = 30/27 = 10/9

2) 10/9 - 1/3 = 10/9 - 3/9 = 7/9

3) 7/9 * 2. 1/7 = 7/9 * 15/7 = 1/3 * 5/1 = 5/3 = 1. 2/3

4) 1. 2/3 + 2/5 = 1. 10/15 + 6/15 = 1. 16/15 =

2. 1/15