# 1. Find : $\frac{8}{3}\times \frac{4}{7};\frac{3}{4}\times \frac{2}{3}$

$\\\Rightarrow \frac{8}{3}\times \frac{4}{7}=\frac{8\times4}{3\times7}=\frac{32}{27}\\\\\Rightarrow \frac{3}{4}\times \frac{2}{3}=\frac{3\times2}{4\times3}=\frac{6}{12}=\frac{1}{2}$