10/20 as a decimal and a percentage
10/20
= 0.5 = 50%
10/20 means 10 out of 20 equal parts. As a decimal it is 0.5, and as a percentage 50%.
Ways to write it
- Decimal
- 0.5
- Percentage
- 50%
- Simplest form
- 1/2
- As a division
- 10 ÷ 20
- Equivalent fractions
- 2/4 = 3/6 = 4/8 = 5/10
- Compared with one half
- Equal to 1/2
- Reciprocal
- 20/10
- 10/20 of 40
- 20
How to work it out
- Divide the top number by the bottom number: 10 ÷ 20 = 0.5.
- To make a percentage, multiply by 100: 0.5 × 100 = 50%.
- To simplify, divide the top and bottom by 10, their highest common factor: 10 ÷ 10 = 1 and 20 ÷ 10 = 2, so 10/20 = 1/2.
Quick check
Is 10/20 more or less than 1/2?
Show the answer
Equal to 1/2
What is 10/20 of 40?
Show the answer
20
10/20 = ?/40
Show the answer
20
Practice with a game
Frequently asked questions
What is 10/20 as a decimal?
10/20 as a decimal is 0.5.
What is 10/20 as a percentage?
10/20 as a percentage is 50%.
What is 10/20 in its simplest form?
10/20 in its simplest form is 1/2.