Express each of the following as a fraction:

(i) $48 \%$

$=\frac{48}{100}$

$=\frac{12}{25}$

(ii) $220 \%$

$=\frac{220}{100}$

$=\frac{11}{5}$

(iii) $2.5 \%$

$=\frac{2.5}{100}$

$=\frac{25}{1000}$

$=\frac{1}{40}$