90 of 450 can be written as:
90
450
To find percentages, we need to find an equivalent fraction with a denominator of 100. Multiply both the numerator & denominator by 100
90
___
450
×
100
100
= (
90 × 100
450
) ×
1
100
=
20
100
Therefore, the answer is 20%
If you are using a calculator, simply enter 90÷450×100 which will give you 20 as the answer.