2/5 as a percentage
Make the bottom 100: 2/5 = 40/100, and per cent means out of 100, so 2/5 is 40%.
The answer
2/5 = 40%
How to turn 2/5 into a percentage
Per cent means out of 100, so a percentage is a fraction with a bottom of 100.
- Make the bottom 100: 5 × 20 = 100.
- Do the same to the top: 2 × 20 = 40.
- So 2/5 = 40/100, which is 40%.
2/5 as a fraction, decimal and percentage
| Fraction | Decimal | Percentage |
|---|---|---|
| 2/5 | 0.4 | 40% |
Multiply the top and bottom by the same number and the fraction keeps its value: 2/5, 4/10, 6/15, 8/20 and 10/25 are all equal.
Looking for 4/10? It is the same as 2/5, so it gives the same decimal and percentage.
All the fifths
Shade 2/5 on a fraction wall
The wall opens with 2/5 shaded in the fifths row. Look straight down: the shading ends in exactly the same place in 4/10, so it is equal to 2/5. Tap other pieces to try more fractions.
A fraction wall from halves to tenths, opening on 2/5.
Keep going
Questions parents ask
What is 2/5 as a percentage?
2/5 = 40%.
What percentage is 2 out of 5?
2 out of 5 is 40%, because 2 out of 5 is the fraction 2/5.
How do you turn 2/5 into a percentage?
Make the bottom 100. 5 × 20 = 100, so multiply the top by 20 too: 2/5 = 40/100. Per cent means out of 100, so 2/5 = 40%.
What is 2/5 as a decimal?
2/5 = 0.4.
Is 2/5 more or less than 50%?
2/5 is less than 50%: 0.4 is less than 0.5. Half of 5 is 2.5, and 2 is less than 2.5.
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.