What is 21/42 as a percentage?
21/42 = 50%
How to work it out
- Divide the top by the bottom: 21 ÷ 42 = 0.5
- Multiply the unrounded value by 100: (21 ÷ 42) × 100 = 50%
At a glance
- Percentage
- 50%
- Decimal
- 0.5
- Simplified
- 1/2
- Out of 100
- 50 per 100
Understanding 21/42
A percentage expresses a ratio out of 100. Here, 21 out of 42 is equivalent to 50 out of 100.
The numerator is smaller than the denominator, so this fraction is less than one whole and its percentage is below 100%.
In lowest terms, this fraction is 1/2. Dividing both parts by 21 keeps the same value and percentage.
Convert another fractionCommon questions
- What is 21/42 as a percentage?
- 21/42 as a percentage is 50%.
- What is 21/42 as a decimal?
- 21/42 as a decimal is 0.5.
- How do you convert 21/42 to a percentage?
- Divide 21 by 42, then multiply the unrounded result by 100 to get 50%. Round only the final answer.
