1/20 as a decimal
Divide 1 by 20, or make the bottom 100: 1/20 = 5/100 = 0.05.
The answer
1/20 = 0.05
How to turn 1/20 into a decimal
The quick way is to make an equivalent fraction with a bottom of 100, because hundredths can be written straight down as a decimal.
- 20 × 5 = 100.
- Do the same to the top: 1 × 5 = 5.
- So 1/20 = 5/100, which is 5 hundredths.
5 hundredths is written 0.05: the last digit goes in the hundredths column.
You can also divide the top by the bottom. Short division gives the same answer:
- 20 does not go into 1, so write 0 and a decimal point, then carry the 1 over as 10 tenths.
- 20 goes into 10 0 times, remainder 10. Write 0, and carry the 10 to make 100.
- 20 goes into 100 5 times exactly. Write 5.
- The remainder is 0, so the division stops: 1 ÷ 20 = 0.05.
1/20 as a fraction, decimal and percentage
| Fraction | Decimal | Percentage |
|---|---|---|
| 1/20 | 0.05 | 5% |
Multiply the top and bottom by the same number and the fraction keeps its value: 1/20, 2/40, 3/60, 4/80 and 5/100 are all equal.
All the twentieths
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Questions parents ask
What is 1/20 as a decimal?
1/20 = 0.05.
Is 1/20 a recurring decimal?
No. 20 × 5 = 100, so 1/20 is exactly 5/100 and the decimal stops at 0.05.
Is 1/20 more or less than a half?
1/20 is less than a half: 0.05 is less than 0.5. Half of 20 is 10, and 1 is less than 10.
What is 1/20 as a percentage?
1/20 = 5%.
Which fractions are the same as 1/20?
2/40, 3/60, 4/80, 5/100 and every other fraction you make by multiplying the top and bottom of 1/20 by the same number. They all equal 0.05.
Fractions, decimals and percentages run all through 11+ maths
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