Question

Pls solve this and explain too

Answer 1

Step-by-step explanation:

this is the answer

maybe it's right

Answer 2

Step-by-step explanation:

(a)2/3+-3/7+-3/14+5/10

7+5/35+5+7/70

12/35+12/70

2+1/70

3/70

(b)-2/5×7/6×5/13×-26/28

-7/15×-5/14.

1/6