Question

the sum of two rational numbers is 13/5.ine of them is -21/7 . what is second number? ​

Answer 1

Given:-

• Sum of two rational number is 13/5
• One of them is -21/7 = -3

To Find:-

• Second number ?

Solution:-

It is given that the sum of rational number is 13/5 .One number is -3 .

Let the second number be x.

According to the Question

$\longrightarrow$ Sum of number = 13/5

$\longrightarrow$ -3 + x = 13/5

$\longrightarrow$ x = 13/5 + 3

$\longrightarrow$ x = 13+15/5

$\longrightarrow$ x = 28/5

• Hence, the second number is 28/5 .

Answer 2

Step-by-step explanation:

let the second number be x

-21/7+x = 13/5

x = 13/5+21/7

x = 91+105/35

x = 196/35

x = 28/5