Question

subract
(a)-: 7/21 from -3/28
(b)-: 5/25 from -3/5

Plz answer ​

Answer 1

Answer:

a. -3/28-7/21

=(-3x21)-(7x28)/28x21

=-63-196/588

-259/588

=-2.2

b.-3/5-5/25

=-3/5-5/25

=-15/25-5/25

=-20/25

=-4/5