Fraction Calculator

Add, subtract, multiply, and divide fractions. Results are automatically simplified to lowest terms.

Result

5/6

0.833333

Step-by-Step

1/2 + 1/3 = (1x3 + 1x2) / (2x3) = 5/6

Why Use Our Fraction Calculator?

Four Operations

Add, subtract, multiply, and divide any two fractions with dedicated operation buttons.

Auto-Simplification

Results are automatically reduced to lowest terms using the greatest common divisor so you always get the simplest form.

Decimal Equivalent

Shows the decimal value of the result alongside the fraction so you can see both representations at once.

Step-by-Step Working

Displays the calculation steps so you can follow the math and understand how the result was reached.

Handles Negative Fractions

Works correctly with negative numerators and denominators, maintaining proper sign conventions throughout.

100% Private

All calculation happens in your browser. No input is sent to any server.

Frequently Asked Questions

How do I add fractions?

Select the + operation, enter the numerator and denominator for each fraction, and the result appears automatically with the step-by-step working shown.

How does the calculator simplify fractions?

It finds the greatest common divisor (GCD) of the numerator and denominator and divides both by it to produce the lowest-terms form.

Can I use negative fractions?

Yes. Enter a negative number in the numerator field. The calculator handles negative values and maintains correct sign conventions.

What does the step-by-step section show?

It shows the cross-multiplication step for addition and subtraction, or the direct multiplication for multiply and divide, followed by the simplification step if needed.

What happens if I divide by zero?

If the denominator of any fraction is zero or the divisor fraction has a zero numerator, the calculation is disabled and no result is shown.

Is this fraction calculator free?

Yes. Completely free with no sign-up or account required.

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