Question

Express $\frac{9}{100}$ as percentage.

Answer 1

Since, percentage is a relative value indicating hundredth parts of any quantity.
Which implies, percentage is a ratio expressed as a fraction of $100$.
So, $a\%$ means $\frac{a}{100}$ (Where $\%$ replaced by $\frac{1}{100}$)
Multiply the given the given value by $1=\frac{100}{100}$ as the value remains unchanged.
Thus, $\frac{9}{100}\times \frac{100}{100}$
$=\frac{9}{100}\times 100\times \frac{1}{100}$
$=9\times \frac{1}{100}$
$=9\%$ (where $\%=\frac{1}{100}$)