Question

by what rational number should minus 8 by 14 be multiplied to obtain 13 by 38

Answer 1

Let the Rational Number be = a/b

$A.T.Q. \\ \\ \frac{a}{b} \times \frac{ - 8}{14} = \frac{13}{38} \\ \\ \frac{a}{b} = \frac{13}{38} \times \frac{14}{ - 8} \\ \\ \frac{a}{b} = \frac{ - 91}{132}$