Question

Using appropriate properties find:
(a)-2/3×5/7-2/9-10/7×2/3
(b)1/9×-4/5-7/9×3/14+2/9×-4/5​

Answer 1

Answer:

a)2/3(-5/7-10/7)-2/9

2/3(-15/7)-2/9

-10/7-2/9

(-90-14)/63

-104/63

b)-4/5(1/9+2/9)-1/6

-4/5(3/9)-1/6

-4/15-1/6

(-8-5)/30

-13/30.