Verified answer

Ответ:

3/5+7/15=9+7/15=16/15

2 1/4-5/6=9/4-5/6=17/12

3 7/8-(4-2 5/6)=31/8-(4-17/6)=31/8-7/6=65/24

Ответ:

а)3/5+7/15= 9\15+ 7/15=

16/15 = 1 целая 1/

б)2 1/4- 5 / 6 = 9/4-5/. 6= . 27 / . 12- . 10/ .12 = . 17 ./. 12 . = 1. 5/ .12