Fraction calculator
Add, subtract, multiply or divide exact fractions.
Enter your values, then choose Calculate.
Limits
- Integer or a/b inputs; at most 1000 digits per integer. Results are simplified exactly. Approximate real-number outputs use 12 significant digits unless a unit specifies otherwise.
- Desktop limits are provisional. Physical mobile and Safari verification remains open.
What happens to your data
Fraction calculator runs inside this browser tab, and the page's code comes from this site. There is no application server to receive your data, and the site's security policy limits connections to this site.
Good to know
- Integer or a/b inputs; at most 1000 digits per integer. Results are simplified exactly. Approximate real-number outputs use 12 significant digits unless a unit specifies otherwise.
- Desktop limits are provisional. Physical mobile and Safari verification remains open.