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Fraction Decimal Percentage Conversion Triangle

20th April, 2021

How to convert between Fractions, Decimals and Percentages

Fractions, Decimals and Percentages are Equivalent

Fractions, Decimals and Percentages (F.D.P.) are all different ways of expressing the same thing – part of a whole.

We might, for example, say “Half a cake”, “0.5 of a metre” or “50% off sale” – and this fraction, decimal and percentage are all equivalent.

Equivalent Fractions, Decimals and Percentages worth knowing

There are some useful equivalent Fractions, Decimals and Percentages worth knowing, without having to convert.

Fraction Decimal Percentage
0/1 0.0 0%
1/10 0.1 10%
1/5 0.2 20%
1/4 0.25 25%
3/10 0.3 30%
2/5 0.4 40%
1/2 0.5 50%
3/5 0.6 60%
7/10 0.7 70%
3/4 0.75 75%
4/5 0.8 80%
9/10 0.9 90%
1/1 1.0 100%

Converting between Fractions, Decimals and Percentages

Converting between Fractions, Decimals and Percentages (F.D.P.) can be done in different ways, with and without a calculator.

This F.D.P. Conversion Triangle summarises the process, showing by example that 13/20, 0.65 and 65% are all equivalent.

Fraction Decimal Percentage Conversion Triangle - with example

FREE Resource on How to Convert Fractions, Decimals and Percentages

This includes a blank version as well as the example shown above (Select the image below to download)

How to convert between Fractions, Decimals and Percentages
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