Fraction Calculator

Use the free Fraction Calculator to add, subtract, multiply, or divide two fractions. Enter your values below and get an instant, accurate result.

Fraction Calculator

Free & Instant

The Fraction Calculator helps you add, subtract, multiply, or divide two fractions. Simply fill in the fields above and click Calculate to get an instant result.

This calculator is part of Calculate Wiki’s Math Calculators collection.

What You’ll Need

  • Numerator 1
  • Denominator 1
  • Operation
  • Numerator 2
  • Denominator 2

Formula Used

Addition/Subtraction: cross-multiply to a common denominator.
Multiplication: multiply numerators and denominators.
Division: multiply by the reciprocal.
Result is simplified using the greatest common divisor.

Example Calculation

Using example inputs — Numerator 1 = 1; Denominator 1 = 2; Operation = +; Numerator 2 = 1; Denominator 2 = 3 — the Fraction Calculator returns:

ValueResult
Result (simplified)5/6
Decimal value0.8333

5 / 6. Decimal: 0.8333

Helpful Information

Results from the Fraction Calculator are estimates based on standard formulas used in the math calculators field. For projects with significant cost, health, or safety implications, consider verifying results with a qualified professional.

Frequently Asked Questions

Is the Fraction Calculator free to use?
Yes — the Fraction Calculator on Calculate Wiki is completely free, with no sign-up required.
How accurate is the Fraction Calculator?
The Fraction Calculator uses a standard, well-documented formula from the math calculators field. Results are for informational and planning purposes.
Can I use this on my phone?
Yes, this calculator is fully mobile-friendly and works on any modern browser.
What does the result mean?
For the example values shown above, the result is 5 / 6. Decimal: 0.8333

Related Calculators