72/81 as a decimal and a percentage
72/81
= 0.8 = 88.8%
72/81 means 72 out of 81 equal parts. As a decimal it is 0.88…, and as a percentage 88.88…%.
Ways to write it
- Decimal
- 0.8
The digits under the line repeat forever. - Percentage
- 88.8%
- Simplest form
- 8/9
- As a division
- 72 ÷ 81
- Equivalent fractions
- 16/18 = 24/27 = 32/36 = 40/45
- Compared with one half
- More than 1/2
- Reciprocal
- 81/72
- 72/81 of 243
- 216
How to work it out
- Divide the top number by the bottom number: 72 ÷ 81 = 0.88….
- To make a percentage, multiply by 100: 0.88… × 100 = 88.88…%.
- To simplify, divide the top and bottom by 9, their highest common factor: 72 ÷ 9 = 8 and 81 ÷ 9 = 9, so 72/81 = 8/9.
Quick check
Is 72/81 more or less than 1/2?
Show the answer
More than 1/2
What is 72/81 of 243?
Show the answer
216
72/81 = ?/162
Show the answer
144
Practise with a game
Frequently asked questions
What is 72/81 as a decimal?
72/81 as a decimal is 0.88….
What is 72/81 as a percentage?
72/81 as a percentage is 88.88…%.
What is 72/81 in its simplest form?
72/81 in its simplest form is 8/9.