Fraction Calculator
Fraction Calculator: free, accurate and easy to use. Works in your browser with no sign-up.
How to use
Add, subtract, multiply and divide fractions and get the answer in simplest form, as a mixed number and as a decimal. Enter the whole number, numerator and denominator for each fraction and the result updates instantly. Exact fraction arithmetic means there are no rounding errors.
- Enter your numbers.
- Results update instantly.
- Copy the result you need.
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Frequently asked questions
How are fractions added?
Convert both fractions to a common denominator, add the numerators, then simplify the result.
What is a mixed number?
A whole number combined with a proper fraction. For example, 7/4 is written as 1 3/4.
Is it free?
Yes. All tools are free, with no sign-up and no limits.
Is my data stored or sent?
No. Everything is calculated in your browser and nothing you enter is sent anywhere.
Are the results exact?
Fractions, bases and GCD/LCM use exact integer arithmetic. Statistics use standard formulas on decimal numbers.