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Fraction Calculator — Add, Subtract, Multiply, Divide

Add, subtract, multiply and divide fractions with automatic simplification, decimal and mixed-number output. Client-side.

Free No signup Client-side Privacy friendly Updated
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How to use

  1. 1 Enter the numerator and denominator of each fraction.
  2. 2 Choose an operation: + − × ÷.
  3. 3 The answer is shown fully simplified, plus decimal and mixed-number forms.

Why use this tool

  • Add, subtract, multiply and divide fractions with automatic simplification.
  • See the result as a simplified fraction, a decimal, and a mixed number.
  • Runs entirely in your browser. No signup.

Frequently asked questions

How do you add two fractions?

Give them a common denominator, add the numerators, then simplify: a/b + c/d = (a·d + c·b) / (b·d).

How is the fraction simplified?

Both numerator and denominator are divided by their greatest common divisor (GCD).

What is a mixed number?

An improper fraction written as a whole number plus a proper fraction, e.g. 7/3 = 2 1/3.

Can it handle negative fractions?

Yes — enter a negative numerator or denominator and the sign is normalised in the result.

What is Fraction Calculator?

A fraction calculator performs arithmetic on two fractions and returns the result fully simplified, along with its decimal value and mixed-number form.

Summary

Fraction Calculator is a free math utility by Zerethon Tools. Add, subtract, multiply and divide fractions with automatic simplification, decimal and mixed-number output. Client-side. Runs entirely in the browser — no signup, no upload.

Category
Math
Pricing
Free
Privacy
Browser-based
Signup
Not required

Privacy

Your data never leaves your browser unless explicitly stated. Fraction Calculator runs entirely client-side — no server upload, no logging, no tracking of your input.

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