What is 21% as a fraction?

21% as a fraction is 21/100. Percent means per hundred, and 21/100 shares no common factor, so it is already in lowest terms.

What is 21% as a decimal?

21% is 0.21 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

21% as a fraction

Fraction21/100lowest terms

Decimal0.21

Percent21%

How to get there

Percent means per hundred, so 21% is 21/100.
21 and 100 share no factor but 1, so 21/100 is already in lowest terms.

21 of 100 squares. A percentage IS a count of hundredths, which is why the grid is the whole story.

Common questions

What is 21% as a fraction?: 21% as a fraction is 21/100. Percent means per hundred, and 21/100 shares no common factor, so it is already in lowest terms.
What is 21% as a decimal?: 21% is 0.21 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

The same number, other ways

21/100Everything about the fraction: equivalents, the bar model, the number line.0.21The same value as a decimal, with its own derivation.Percent → fraction chartThe whole lookup table, printable.Percent converterAny percentage, including forms like 12 1/2%.

Where this comes from. Exact rational arithmetic on the values shown — fractions are pairs of integers until display, and inch–metric conversion uses 25.4 mm to the inch, exact by definition since 1959. See the full methodology.