Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step working.
Result
About this tool
Fraction Calculator adds, subtracts, multiplies, and divides any two fractions and always returns the result in its simplest form. It shows the simplified fraction and its decimal equivalent side by side, plus a working line with the unsimplified intermediate step so you can follow the method. Useful for school homework, recipe scaling, construction measurements, or any situation where you need to work with fractions precisely. All processing runs in your browser.
How to use
- Enter the numerator and denominator for each fraction.
- Select the operation you want — add, subtract, multiply, or divide.
- The result and working appear automatically.
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FAQ
Does it simplify the result automatically?
Yes. The result fraction is always reduced to its lowest terms using the greatest common divisor of the numerator and denominator.
Can I use negative fractions?
Yes. Enter a negative sign in the numerator input to represent a negative fraction.
What happens if I enter 0 as a denominator?
Division by zero is undefined. The tool will show an error if either denominator is 0.
How is the result shown?
The result is shown as a simplified fraction and its decimal equivalent. If the result is a whole number, only the integer is shown.
Does it show working steps?
Yes. Below the result there is a working line showing the intermediate unsimplified fraction before it is reduced to lowest terms.