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Fraction Calculator

Fraction Equation

Numerator / Denominator
Visual Fraction BarsProportional slices
Fraction 1: 1/250%
Fraction 2: 3/475%

Step-by-Step Calculation5 steps

1. Find the Least Common Denominator (LCD): LCD(2, 4) = 4
2. Adjust numerators: (1 × 2)/4 + (3 × 1)/4 = 2/4 + 3/4
3. Combine numerators over common denominator: (2 + 3) / 4 = 5/4
4. The fraction 5/4 is already in lowest terms (GCD = 1).
5. Convert improper fraction to mixed number: 5 ÷ 4 = 1 with remainder 1 → 1 1/4
Simplified Result
54

5/4 = 1 1/4

Mixed Number
1 1/4
Decimal Value
1.25
Percentage125%
Reduction FactorFully Reduced
Guide

How It Works

Perform arithmetic on simple fractions and mixed numbers with automatic reduction.

  • Addition & Subtraction: Find common denominators, combine numerators, and reduce.
  • Multiplication: Multiply numerators and denominators straight across, then simplify.
  • Division: Multiply the first fraction by the reciprocal of the second fraction.
  • Simplification: Reduce to lowest terms and mixed numbers using the greatest common divisor.