Question

Simplify:

(7) $\frac{18}{5}\times \frac{-5}{9}$

Answer 1

$$\begin{gathered} \frac{18}{5}\times \frac{-5}{9} \\ =\frac{2\times 9}{5}\times \frac{-5}{9} \\ =\frac{2}{1}\times \frac{-1}{1} \\ =\frac{-2}{1} \\ =-2 \end{gathered}$$