Question

The ratio of $\frac{1}{2}$ hour to $45$ minutes

Answer 1

Given, $\frac{1}{2}$ hour$=30$ minutes
The ratio of $\frac{1}{2}$ hour to $45$ minutes$=\frac{30}{45}$
$=\frac{6}{9}$
$=\frac{2}{3}$
$=2:3$