Question

The sum of two rational number is 4/21.If one of them is 5/7,find the other?

Answer 1

Step-by-step explanation:

let the second rational number be x

ATQ

5/7 + x = 4/21

x = 4/21 - 5/7

TAKE LCM

x= -11/21 is the answer

Answer 2

Answer:

i hope

This question is right