3/20 as a percentage

Make the bottom 100: 3/20 = 15/100, and per cent means out of 100, so 3/20 is 15%.

The answer

3/20 = 15%

How to turn 3/20 into a percentage

Per cent means out of 100, so a percentage is a fraction with a bottom of 100.

Make the bottom 100: 20 × 5 = 100.
Do the same to the top: 3 × 5 = 15.
So 3/20 = 15/100, which is 15%.

3/20 as a fraction, decimal and percentage

Fraction	Decimal	Percentage
3/20	0.15	15%

Multiply the top and bottom by the same number and the fraction keeps its value: 3/20, 6/40, 9/60, 12/80 and 15/100 are all equal.

15 squares out of 100 are shaded: 15/100, which is 15%.

All the twentieths

Every twentieth is 5 hundredths: 3/20 is 3 × 5 = 15 hundredths, which is 0.15.

3/20 sits between 0 and 1/4 (0.25). It is closer to 1/4.

Fraction	Percentage
1/20	5%
3/20	15%
7/20	35%
9/20	45%
11/20	55%
13/20	65%
17/20	85%
19/20	95%

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Questions parents ask

What is 3/20 as a percentage?

3/20 = 15%.

What percentage is 3 out of 20?

3 out of 20 is 15%, because 3 out of 20 is the fraction 3/20.

How do you turn 3/20 into a percentage?

Make the bottom 100. 20 × 5 = 100, so multiply the top by 5 too: 3/20 = 15/100. Per cent means out of 100, so 3/20 = 15%.

What is 3/20 as a decimal?

3/20 = 0.15.

Is 3/20 more or less than 50%?

3/20 is less than 50%: 0.15 is less than 0.5. Half of 20 is 10, and 3 is less than 10.

Fractions, decimals and percentages run all through 11+ maths

Converting between them turns up in 11+ questions on percentages, ratio, money and data. The free diagnostic checks maths, English and both kinds of reasoning, and shows what to practise next. No card is required.

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