Question

the sum of two rational number is 9 by 10 and one of them is minus 3 by 5 the other number is​

Answer 1

QUESTION:-

The sum of 2 rational number is 9/10 and one of them is -3/5,find the other number

EXPLANATION:-

Let the unknown number be x

Sum=9/10

A.T.Q

$\sf\;x+(-\frac{3}{5})=\frac{9}{10}\\\\x-\frac{3}{5}=\frac{9}{10}\\\\x=\frac{9}{10}+\frac{3}{5}\\\\x=\frac{9+6}{10}\\\\x=\frac{15}{10}\\\\x=\frac{3}{2}$

Hence the other number is 3/2