Question

Write $20:100$ in its simplest ratio.

Answer 1

$20:100$ can be written as $\frac{20}{100}$

$\frac{20}{100}=\frac{20\times 1}{20\times 5}$ (breaking the terms to simplify it)

$\frac{2}{6}=\frac{1}{5}=1:5$ (Cancelling the like terms)