42/80 as a decimal and a percentage
42/80
= 0.525 = 52.5%
42/80 means 42 out of 80 equal parts. As a decimal it is 0.525, and as a percentage 52.5%.
Ways to write it
- Decimal
- 0.525
- Percentage
- 52.5%
- Simplest form
- 21/40
- As a division
- 42 ÷ 80
- Equivalent fractions
- 63/120 = 84/160 = 105/200 = 21/40
- Compared with one half
- More than 1/2
- Reciprocal
- 80/42
- 42/80 of 240
- 126
How to work it out
- Divide the top number by the bottom number: 42 ÷ 80 = 0.525.
- To make a percentage, multiply by 100: 0.525 × 100 = 52.5%.
- To simplify, divide the top and bottom by 2, their highest common factor: 42 ÷ 2 = 21 and 80 ÷ 2 = 40, so 42/80 = 21/40.
Quick check
Is 42/80 more or less than 1/2?
Show the answer
More than 1/2
What is 42/80 of 240?
Show the answer
126
42/80 = ?/160
Show the answer
84
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Frequently asked questions
What is 42/80 as a decimal?
42/80 as a decimal is 0.525.
What is 42/80 as a percentage?
42/80 as a percentage is 52.5%.
What is 42/80 in its simplest form?
42/80 in its simplest form is 21/40.