Fraction Calculator
Add, subtract, multiply, and divide fractions with automatic simplification. Results update instantly as you type.
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Result (Fraction)
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Decimal
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Mixed Number
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Steps
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How to Use the Fraction Calculator
- Choose an operation: Select Add, Subtract, Multiply, or Divide.
- Enter the first fraction: Type the numerator and denominator.
- Enter the second fraction: Type the numerator and denominator.
- View your results: The simplified fraction, decimal, and mixed number appear instantly.
Fraction Arithmetic Rules
| Operation | Formula |
|---|---|
| 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 |
Frequently Asked Questions
How do you simplify a fraction?
Divide both the numerator and denominator by their greatest common divisor (GCD). For example, 6/8 simplifies to 3/4 because GCD(6,8) = 2.
What is a mixed number?
A mixed number combines a whole number and a proper fraction. For example, 7/3 as a mixed number is 2 1/3 (two and one-third).
Can I use negative fractions?
Yes, you can enter negative numerators. The calculator handles negative fractions and will display the sign correctly in the result.