About this fraction calculator
Add, subtract, multiply, or divide two fractions and simplify the result.
How to use it
Enter the values requested by the calculator. Results update in your browser as you change the inputs. Review the assumptions shown on the calculator before using the result.
Formula
operations are performed using a common denominator where required
Example
Enter both fractions, choose an operation, and the result is reduced to simplest form.
Frequently asked questions
What does the fraction calculator show?
Add, subtract, multiply, or divide two fractions and simplify the result.
Are the results exact?
The result is calculated from the inputs and assumptions shown on this page. For important financial, health, tax, or legal decisions, verify the result with an appropriate professional or authoritative source.