What is 40% as a fraction?

40% as a fraction is 2/5. Percent means per hundred, so start with 40/100, then divide top and bottom by 20.

What is 40% as a decimal?

40% is 0.4 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

40% as a fraction

Fraction2/5lowest terms

Decimal0.4

Percent40%

How to get there

Percent means per hundred, so 40% is 40/100.
Divide top and bottom by their greatest common divisor, 20: 2/5.

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

Common questions

What is 40% as a fraction?: 40% as a fraction is 2/5. Percent means per hundred, so start with 40/100, then divide top and bottom by 20.
What is 40% as a decimal?: 40% is 0.4 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

The same number, other ways

2/5Everything about the fraction: equivalents, the bar model, the number line.0.4The 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.