Question

помогите пожалуйста!!!!​

Answer 1

Ответ:

Пошаговое объяснение:

1 - 7/18 = 11/18

4 - 2/9= 3 7/9

15 2/7 - 7 = 8 2/7

11 - 5 3/13 = 5 10/13

6 3/5 - 3 5/12= 33/5 -41/12= 396/60 - 205/60= 191/60= 3 11/60

9 2/5 - 3 7/8= 47/5 - 31/8= 376/40 -165/40= 211/40 = 5 11/40

19 7/12 + 43 5/12= 63

7 7/15 + 4 11/12= 112/15 + 59/12 = 448/60 + 295/60= 743/60 = 12 23/60