Ответ:

9 1/3

Пошаговое объяснение:

1) 5 4/7 * 2 2/13 = 39/7 * 28/13 = 3/1 * 4/1 = 12/1 = 12

2) 1 2/5 : 1/2 = 7/5 * 2/1 = 14/5 = 2 4/5

3) 12 - 2 4/5 = 11 5/5 - 2 4/5 = 9 1/5

4) 9 1/5 + 2/15 = 9 3/15 + 2/15 = 9 5/15 = 9 1/3