Question

the sum of two rational number is minus 2 by 5 + 9 one of them is 3 by 10 find the other​

Answer 1

Answer:  83/10

Step-by-step explanation:

let number be x, so, -2/5+9=3/10  +x

                 taking l c m   -2+45/5=3/10  +x

                           43/5=3/10+x

                           43/5-3/10 =x taking l c m, 43×2 -3/10=x=86-3/10

     x= 83/10