How this calculation works
Add, subtract, multiply, or divide fractions and simplify the result. The result is calculated locally in your browser from the visible inputs, and the method below remains available for checking.
Worked example
1/2 + 1/3 simplifies to 5/6.
Assumptions and limits
- Inputs use the units shown beside each field.
- Intermediate values retain precision; displayed values are rounded for readability.
Questions people ask
How does the Fraction Calculator work?
It applies this displayed method: Fractions use a common denominator for addition/subtraction and cross multiplication for multiplication/division, then divide by the GCD. Values stay in your browser and are not submitted to a server.
What should I check before using the Fraction result?
Inputs use the units shown beside each field. Intermediate values retain precision; displayed values are rounded for readability. The result follows the displayed mathematical definition and the precision of the values entered.
Does this Fraction calculator save my information?
No. Calculation inputs are processed on this device. Sharing creates a URL only when you choose the share action.