Question

find the rational number that should be added to -7/5 to get the following rational numbers:
(a) -3/5 ​

Answer 1

Answer:

-4/7

Step-by-step explanation:

=-3/5-(-7/5)

=-3-(-7)/5

=-3+7/5

=-4/7

Answer 2

Step-by-step explanation:

Let the no. should be added be x.

So As per the question,

-7/5 + x = -3/5

-7/5 + 3/5 = -x

By L.C.M. of 5,5 = 5

-7+3/5 = -×

-4 / 5 = -×

-/- will be deducted so , the answer will be 4/5

(- 7/5 + 4/5 = -3/5 is proved)