Question

11/15•(4 1/2-3 2/5:17/20)+1 11/20

Answer 1

1) 3 2/5 : 17/20 = 17/5 : 17/20 = 20/5 = 4  

2) 4 1/2 - 4 = 1/2  

3) 11/15 * 1/2 = 11/30  

4) 11/30 + 1 11/20 = 22/60 + 1 33/60 = 1 55/60 = 1 11/12

Ответ 1 целая 11/12