Free CalculatorWiser tool

Fraction Calculator

Add, subtract, multiply or divide two fractions.

How to use the Fraction Calculator

Add, subtract, multiply or divide two fractions.

Step-by-step instructions

  1. Enter or select First numerator.
  2. Enter or select First denominator.
  3. Enter or select Operation.
  4. Enter or select Second numerator.
  5. Enter or select Second denominator.
  6. Tap Calculate.
  7. Review the result shown directly below the calculator.

What the inputs mean

First numerator
Enter the value requested by this field label.
First denominator
Enter the value requested by this field label.
Operation
Choose the option that best matches your calculation.
Second numerator
Enter the value requested by this field label.
Second denominator
Enter the value requested by this field label.

Formula or calculation method

The calculator applies the standard mathematical relationship for the labeled inputs and returns the computed result automatically.

Example

Try entering realistic values for First numerator and First denominator, then tap Calculate to see how the result changes.

How to understand the result

Use the result as an estimate based on the values you entered. For planning decisions, double-check that the input units and assumptions match your real situation.

Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.