What is this calculator?
Add, subtract, multiply or divide two fractions and simplify the result.
What can you use it for?
Use it when solving an exercise, checking a result, or working with the particular quantities shown in this form. Add, subtract, multiply or divide two fractions and simplify the result.
How to use it
- Enter first numerator.
- Enter first denominator.
- Enter operation.
- Enter second numerator.
- Enter second denominator.
- Select Calculate (or Generate for random tools).
- Read the answer and any additional results below the form. Check the units and the limits of the method.
Formula and method
a/b × c/d = ac / bd
The result is simplified using the greatest common divisor. Fractions require whole-number numerators and nonzero denominators.
Worked example
First numerator: 1, First denominator: 2, Operation: +, Second numerator: 1, Second denominator: 3. The result is 5 / 6 (simplified fraction).
Assumptions and limits
Inputs and outputs must stay within the supported finite number range. Displayed decimal answers may be rounded.
Frequently asked questions
What inputs does the Fraction Calculator need?
Use first numerator, first denominator, operation, second numerator, second denominator. Read the answer and any additional results below the form. Check the units and the limits of the method.
What assumptions apply to the Fraction Calculator?
Inputs and outputs must stay within the supported finite number range. Displayed decimal answers may be rounded.