Question

Write each ratio in its simplest form.
$90cm$ to $1.5m$

Answer 1

$\begin{array}{c}\frac{90\times {10}^{-2}}{1.5}=\frac{90\times {10}^{-2}}{15\times {10}^{-1}}\\ =\frac{9}{15}=\frac{3}{5}.\end{array}$