Question

Evaluate: $-27\times \frac{-2}{3}\times (\frac{5}{6}-\frac{1}{9})$

Answer 1

$-27\times \frac{-2}{3}\times (\frac{5}{6}-\frac{1}{9})$

$=9\times 2\times \left(\frac{45-6}{54}\right)$

$=18\times \frac{39}{54}$

$=\frac{39}{3}$

$=13$