What is a fraction?
A fraction calculator performs the four basic operations on two fractions and reduces the answer to its simplest form. Enter numerators and non-zero denominators; the result is shown as a simplified fraction and, where possible, a decimal.
Formula and calculation method
For a/b and c/d: addition = (ad + bc)/bd; subtraction = (ad − bc)/bd; multiplication = ac/bd; division = ad/bc.
The result is only as reliable as the inputs and assumptions. This tool is educational and does not replace professional financial, medical, legal or academic advice.
How to use this calculator
- Enter the values requested in the calculator.
- Review the result panel; it updates when an input changes.
- Change one assumption at a time to compare scenarios.
- Check the formula and limitations before acting on the estimate.
Frequently asked questions
Is this fraction calculator free?
Yes. You can use this calculator in your browser without creating an account.
How accurate is the result?
It applies the displayed formula to the values you provide. Real-world outcomes can differ because of fees, changing rates, individual circumstances or rules not represented in this estimate.
Are my inputs stored?
No. The calculation runs locally in your browser and the values are not submitted to FastSEOHub.