2/5 as a decimal and a percentage
2/5
= 0.4 = 40%
2/5 means 2 out of 5 equal parts. As a decimal it is 0.4, and as a percentage 40%.
Ways to write it
- Decimal
- 0.4
- Percentage
- 40%
- Simplest form
- Already in its simplest form
- As a division
- 2 ÷ 5
- Equivalent fractions
- 4/10 = 6/15 = 8/20 = 10/25
- Compared with one half
- Less than 1/2
- Reciprocal
- 5/2
- 2/5 of 15
- 6
How to work it out
- Divide the top number by the bottom number: 2 ÷ 5 = 0.4.
- To make a percentage, multiply by 100: 0.4 × 100 = 40%.
- 2 and 5 have no common factor bigger than 1, so 2/5 cannot be simplified.
Quick check
Is 2/5 more or less than 1/2?
Show the answer
Less than 1/2
What is 2/5 of 15?
Show the answer
6
2/5 = ?/10
Show the answer
4
Practise with a game
Frequently asked questions
What is 2/5 as a decimal?
2/5 as a decimal is 0.4.
What is 2/5 as a percentage?
2/5 as a percentage is 40%.
What is 2/5 in its simplest form?
2/5 is already in its simplest form.