1/9 as a decimal and a percentage
1/9
= 0.1 = 11.1%
1/9 means 1 out of 9 equal parts. As a decimal it is 0.11…, and as a percentage 11.11…%.
Ways to write it
- Decimal
- 0.1
The digits under the line repeat forever. - Percentage
- 11.1%
- Simplest form
- Already in its simplest form
- As a division
- 1 ÷ 9
- Equivalent fractions
- 2/18 = 3/27 = 4/36 = 5/45
- Compared with one half
- Less than 1/2
- Reciprocal
- 9/1
- 1/9 of 45
- 5
How to work it out
- Divide the top number by the bottom number: 1 ÷ 9 = 0.11….
- To make a percentage, multiply by 100: 0.11… × 100 = 11.11…%.
- 1 and 9 have no common factor bigger than 1, so 1/9 cannot be simplified.
Quick check
Is 1/9 more or less than 1/2?
Show the answer
Less than 1/2
What is 1/9 of 45?
Show the answer
5
1/9 = ?/18
Show the answer
2
Practise with a game
Frequently asked questions
What is 1/9 as a decimal?
1/9 as a decimal is 0.11….
What is 1/9 as a percentage?
1/9 as a percentage is 11.11…%.
What is 1/9 in its simplest form?
1/9 is already in its simplest form.