Question

by what rational number should we multiply 5/12 so that the product is -2/9​

Answer 1

Let us take the rational no. as X

Then,

(X × 10/3) + 3/8 = -3/8

X × 10/3 = -3/8-3/8=-3/4

X =-3/4 × 3/10=-9/40

:. X = -9/40