fraction calculator

Fraction Calculator: Add, Subtract, Multiply, Divide Guide

Students and exam candidates need a fast, error-free method for fraction operations. This guide covers all core operations.

How to calculate using Fraction Calculator

  • Enter numerator and denominator for both fractions.
  • Select operation: add, subtract, multiply, or divide.
  • Simplify result using greatest common divisor (GCD).

Fraction Calculator formula

  • Addition/subtraction uses common denominator.
  • Multiplication: multiply numerators and denominators directly.
  • Division: multiply first fraction by reciprocal of second.

Worked example

  • 3/4 + 2/5 = (15 + 8) / 20 = 23/20.
  • Decimal form = 1.15.
  • Mixed number form = 1 3/20.

Accuracy and interpretation notes

  • Denominator cannot be zero.
  • Always simplify final fraction for standard presentation.

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