Question

14/15-9/5:(7 - 4целых 3/7) +3/5

Answer 1

14/15 - 9/5 : (7 - 4 3/7) + 3/5 = 1/6

1) 7 - 4 3/7 = 6 7/7 - 4 3/7 = 2 4/7 = 18/7

2) 9/5 : 18/7 = 9/5 · 7/18 = (1·7)/(5·2) = 7/10

3) 14/15 - 7/10 = 28/30 - 21/30 = 7/30

4) 7/30 + 3/5 = 7/30 + 18/30 = 25/30 = 1/6

Ответ: 1/6.