Question

What is 3/4 of 2/5=

Answer 1

$\frac{3}{4}\ of\ \frac{2}{5}=\frac{3}{4}\times\frac{2}{5}=\frac{3\times2}{4\times5}=\frac{3\times\not2^1}{\not4_2\times5}=\frac{3\times1}{2\times5}=\boxed{\frac{3}{10}=0.3}$