Fraction Calculator
Add, subtract, multiply or divide fractions and return an exact reduced fraction.
Result
How to use
Enter two integer fractions such as 1/3 and 1/6.
Run the tool to calculate or transform the input.
Copy the result or save it as a text file.
FAQ
What rules does this tool use?
Integer arithmetic preserves the exact numerator and denominator before reducing by their greatest common divisor.
What are the limits?
Numerators and denominators may contain up to 30 digits. A zero denominator is invalid.
Are my inputs uploaded?
Tool inputs are processed in your browser. Advertising makes separate requests as described in the privacy policy.