Question

Simplify:
(3) $\frac{15}{16}\times \frac{20}{9}$

Answer 1

$$\begin{gathered} \frac{15}{16}\times \frac{20}{9} \\ =\frac{3\times 5}{4\times 4}\times \frac{4\times 5}{3\times 3} \\ =\frac{5}{4}\times \frac{5}{3} \\ =\frac{25}{12} \end{gathered}$$