20/90 as a decimal and a percentage
20/90
= 0.2 = 22.2%
20/90 means 20 out of 90 equal parts. As a decimal it is 0.22…, and as a percentage 22.22…%.
Ways to write it
- Decimal
- 0.2
The digits under the line repeat forever. - Percentage
- 22.2%
- Simplest form
- 2/9
- As a division
- 20 ÷ 90
- Equivalent fractions
- 4/18 = 6/27 = 8/36 = 10/45
- Compared with one half
- Less than 1/2
- Reciprocal
- 90/20
- 20/90 of 180
- 40
How to work it out
- Divide the top number by the bottom number: 20 ÷ 90 = 0.22….
- To make a percentage, multiply by 100: 0.22… × 100 = 22.22…%.
- To simplify, divide the top and bottom by 10, their highest common factor: 20 ÷ 10 = 2 and 90 ÷ 10 = 9, so 20/90 = 2/9.
Quick check
Is 20/90 more or less than 1/2?
Show the answer
Less than 1/2
What is 20/90 of 180?
Show the answer
40
20/90 = ?/180
Show the answer
40
Practise with a game
Frequently asked questions
What is 20/90 as a decimal?
20/90 as a decimal is 0.22….
What is 20/90 as a percentage?
20/90 as a percentage is 22.22…%.
What is 20/90 in its simplest form?
20/90 in its simplest form is 2/9.