Question

Multiply:

(iii) $\frac{-8}{25}by\frac{-5}{16}$

Answer 1

To multiply: $\frac{-8}{25}by\frac{-5}{16}$

$\frac{-8}{25}by\frac{-5}{16}=\frac{-8}{25}\times \frac{-5}{16}$

$=\frac{-8\times (-5)}{25\times 16}$ $(\because \frac{a}{b}\times \frac{c}{d}=\frac{a\times c}{b\times d})$

$=\frac{-1\times (-1)}{5\times 2}$

$=\frac{1}{10}$

Hence, the required product is $\frac{1}{10}$.