Fraction Calculator
Guide: GCD, LCM and Fractions: How They Connect
Type fractions like 3/4, mixed numbers like 1 1/2, whole numbers like 5, or decimals like 0.75.
1/2 + 1/3 =
- Answer (simplified)
- 5/6
- As a mixed number
- 5/6
- As a decimal
- 0.8(3)
- As a percentage
- 83.(3)%
Digits in brackets repeat
Nothing you enter or choose here leaves your device. This tool runs in your browser.
How to use
- 1Type the first and second numbers, like 1/2 or 1 1/2.
- 2Choose add, subtract, multiply or divide.
- 3Read the simplified answer, mixed number, decimal and percentage.
Frequently asked questions
What can I type?
Fractions like 3/4, mixed numbers like 1 1/2, whole numbers like 5, and decimals like 0.75 all work. Negative numbers work too.
Is the answer simplified?
Yes. It is always reduced to lowest terms, so 6/8 shows as 3/4.
How are the decimals shown?
Repeating digits are in brackets, so 1/3 is 0.(3) and 7/12 is 0.58(3).
What happens if I divide by zero?
You get a message instead of an answer, because dividing by zero isn't possible.
Is my data sent anywhere?
No. Everything is worked out in your browser and nothing is sent to us.
Read the guide
Learn how this works and how to get the most from it.
Money, health & time
GCD, LCM and Fractions: How They Connect
How to find the greatest common divisor and least common multiple, and how they help you simplify and add fractions step by step.
1 min read
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