40/45 as a decimal and a percentage
40/45
= 0.8 = 88.8%
40/45 means 40 out of 45 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
- 40 ÷ 45
- Equivalent fractions
- 16/18 = 24/27 = 32/36 = 8/9
- Compared with one half
- More than 1/2
- Reciprocal
- 45/40
- 40/45 of 90
- 80
How to work it out
- Divide the top number by the bottom number: 40 ÷ 45 = 0.88….
- To make a percentage, multiply by 100: 0.88… × 100 = 88.88…%.
- To simplify, divide the top and bottom by 5, their highest common factor: 40 ÷ 5 = 8 and 45 ÷ 5 = 9, so 40/45 = 8/9.
Quick check
Is 40/45 more or less than 1/2?
Show the answer
More than 1/2
What is 40/45 of 90?
Show the answer
80
40/45 = ?/90
Show the answer
80
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Frequently asked questions
What is 40/45 as a decimal?
40/45 as a decimal is 0.88….
What is 40/45 as a percentage?
40/45 as a percentage is 88.88…%.
What is 40/45 in its simplest form?
40/45 in its simplest form is 8/9.