Fraction Calculator

Fraction Calculator

Calculator fractions to add, divide, simplify, and convert mixed numbers. Ideal as a mixed fraction calculator to calculate the fraction fast.

Fraction Calculator

Enter two fractions (supports formats like 3/4, 2, or 1 2/3), choose an operation, and click Calculate.

Allowed formats: a/b, a, or mixed number a b/c. Examples: 3/4, 2, 1 2/3, -5/8, -2 1/4

Allowed formats: a/b, a, or mixed number a b/c. Examples: 3/4, 2, 1 2/3, -5/8, -2 1/4

How to Use the Fraction Calculator?


Type fractions in any of the supported formats (a/b, a, or a b/c). Choose +, −, ×, or ÷. The result is simplified automatically and shown as an improper fraction and a mixed number when applicable.

Rules and Notes


1. Supported Inputs

  • Proper/improper fractions (e.g., 3/4, 9/4)
  • Integers (e.g., 2, -5)
  • Mixed numbers (e.g., 1 2/3, -2 1/4)

2. Simplification

Results are reduced to lowest terms using the greatest common divisor (GCD).

3. Mixed Number

If the result is improper, it is also displayed as a mixed number (e.g., 19/12 = 1 7/12).

4. Division

Division by zero is not allowed.

Basic Fraction Operations and Formulas


  • Addition:
  • Subtraction:
  • Multiplication:
  • Division:

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