18/90 as a decimal and a percentage
18/90
= 0.2 = 20%
18/90 means 18 out of 90 equal parts. As a decimal it is 0.2, and as a percentage 20%.
Ways to write it
- Decimal
- 0.2
- Percentage
- 20%
- Simplest form
- 1/5
- As a division
- 18 ÷ 90
- Equivalent fractions
- 2/10 = 3/15 = 4/20 = 5/25
- Compared with one half
- Less than 1/2
- Reciprocal
- 90/18
- 18/90 of 540
- 108
How to work it out
- Divide the top number by the bottom number: 18 ÷ 90 = 0.2.
- To make a percentage, multiply by 100: 0.2 × 100 = 20%.
- To simplify, divide the top and bottom by 18, their highest common factor: 18 ÷ 18 = 1 and 90 ÷ 18 = 5, so 18/90 = 1/5.
Quick check
Is 18/90 more or less than 1/2?
Show the answer
Less than 1/2
What is 18/90 of 540?
Show the answer
108
18/90 = ?/180
Show the answer
36
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Frequently asked questions
What is 18/90 as a decimal?
18/90 as a decimal is 0.2.
What is 18/90 as a percentage?
18/90 as a percentage is 20%.
What is 18/90 in its simplest form?
18/90 in its simplest form is 1/5.