18/20 as a percent and decimal
18/20 as a percent is 90%, and as a decimal it is 0.9.
As a score, 18 out of 20 is 90%: each mark is worth 5%.
In simplest form 18/20 = 9/10.
Long division: 18 ÷ 20
| Divide | Digit | Remainder |
|---|---|---|
| 180 ÷ 20 | 9 | 0 |
The remainder reached 0, so the decimal ends.
Equivalent fractions
18/20 = 9/10 = 18/20 = 27/30 = 36/40 = 45/50. Every one of these has the same decimal value, 0.9.
Convert any other fraction with the fraction to decimal converter, go the other way with decimal to fraction, or compare common fractions side by side in the fraction chart.
Questions people ask
What is 18/20 in simplest form?
Divide top and bottom by their greatest common factor, 2: 18/20 = 9/10.
What is 18/20 as a decimal?
18/20 = 18 ÷ 20 = 0.9.
What is 18/20 as a percent?
Multiply the decimal by 100: 18/20 = 90%.
Is 18/20 a terminating or repeating decimal?
Terminating. In lowest terms its denominator, 20, has only 2s and 5s as prime factors, so the division ends.
What is 18 out of 20 as a percentage?
18 out of 20 = 18 ÷ 20 × 100 = 90%. A quick check: each mark out of 20 is worth 5%, and 18 × 5 = 90%.