Question

The sum of two rational numbers is -1. If one of them is -5/7, then the other is
(a) 5/7 (b)-2/7 (c) 12/7 (d)-12/7​

Answer 1

Answer:

option b. -2/7

Explanation:

PIZZ mark as the brainIiest.

Answer 2

Given,

The sum of two rational numbers is -1.

One of the numbers is -5/7.

To Find,

The other number.

Solution,

The number that can be represented in the form of a/b where b ≠ 0 and a and b both are integers.

Let us assume that the other rational number is x.

So, according to the question

x-5/7 = -1

x = -1+5/7

x = (-7+5)/7

x = -2/7

Hence, the correct answer is option (b) -2/7.