20/45 as a decimal and a percentage
20/45
= 0.4 = 44.4%
20/45 means 20 out of 45 equal parts. As a decimal it is 0.44…, and as a percentage 44.44…%.
Ways to write it
- Decimal
- 0.4
The digits under the line repeat forever. - Percentage
- 44.4%
- Simplest form
- 4/9
- As a division
- 20 ÷ 45
- Equivalent fractions
- 8/18 = 12/27 = 16/36 = 4/9
- Compared with one half
- Less than 1/2
- Reciprocal
- 45/20
- 20/45 of 90
- 40
How to work it out
- Divide the top number by the bottom number: 20 ÷ 45 = 0.44….
- To make a percentage, multiply by 100: 0.44… × 100 = 44.44…%.
- To simplify, divide the top and bottom by 5, their highest common factor: 20 ÷ 5 = 4 and 45 ÷ 5 = 9, so 20/45 = 4/9.
Quick check
Is 20/45 more or less than 1/2?
Show the answer
Less than 1/2
What is 20/45 of 90?
Show the answer
40
20/45 = ?/90
Show the answer
40
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Frequently asked questions
What is 20/45 as a decimal?
20/45 as a decimal is 0.44….
What is 20/45 as a percentage?
20/45 as a percentage is 44.44…%.
What is 20/45 in its simplest form?
20/45 in its simplest form is 4/9.