Question

What number should we multiply -15/20 so that the product may be -5/7

Answer 1

the answer of this question is 20 by 21

Answer 2

Let the no to be multiplied be x

Therefore, According to question :

-15/20 × x = -5/7
x = -5/7 × 20/-15
x = - 20/21

Therefore the no. is -20/21