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Fraction Calculator

Add, subtract, multiply, and divide fractions

Fraction Operations
Enter fractions and select operation
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Results
Calculation results in multiple formats
5/6
Fraction Form
0.833333
Decimal Form
5/6
Mixed Number Form
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Operation
Fraction Operations Guide
Understanding fraction calculations

Basic Operations

  • Addition: a/b + c/d = (ad + bc)/bd
  • Subtraction: a/b - c/d = (ad - bc)/bd
  • Multiplication: a/b × c/d = ac/bd
  • Division: a/b ÷ c/d = ad/bc

Tips

  • • Always reduce fractions to simplest form
  • • Convert to mixed numbers for better readability
  • • Check for division by zero
  • • Use decimal form for quick comparison
Did You Know?

Fractions have been used for thousands of years, with evidence of their use dating back to ancient Egypt around 1800 BCE. The modern fraction notation we use today was developed in the Middle Ages.