Question

Simplify:

$(\frac{2}{-3}\times \frac{5}{4})+(\frac{5}{9}\times \frac{3}{-10})$

Answer 1

$(\frac{2}{-3}\times \frac{5}{4})+(\frac{5}{9}\times \frac{3}{-10})$

$=\frac{2\times 5}{-3\times 4}+\frac{5\times 3}{9\times -10}$

$=-\frac{5}{6}-\frac{1}{6}$

$=\frac{-5-1}{6}=-1$