What is 42% as a fraction?

42% as a fraction is 21/50. Percent means per hundred, so start with 42/100, then divide top and bottom by 2.

What is 42% as a decimal?

42% is 0.42 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

42% as a fraction

Fraction21/50lowest terms

Decimal0.42

Percent42%

How to get there

Percent means per hundred, so 42% is 42/100.
Divide top and bottom by their greatest common divisor, 2: 21/50.

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

Common questions

What is 42% as a fraction?: 42% as a fraction is 21/50. Percent means per hundred, so start with 42/100, then divide top and bottom by 2.
What is 42% as a decimal?: 42% is 0.42 as a decimal. Dividing a percentage by 100 moves the point two places to the left.

The same number, other ways

21/50Everything about the fraction: equivalents, the bar model, the number line.0.42The 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.