Fraction Calculator
Enter two fractions and an operation to get the simplified result, decimal equivalent, and mixed number form.
Enter any two fractions and choose an operation. This calculator adds, subtracts, multiplies, or divides fractions using standard arithmetic rules, then automatically simplifies the result using the greatest common factor. Results show as both a fraction and a decimal.
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Last reviewed: April 2026Report an error
Result
5/6
1/2 + 1/3 = 5/6 = 0.83333333
Simplified Fraction
5/6
Mixed Number
5/6
Decimal
0.83333333
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How to Use This Fraction Calculator
- Enter the numerator and denominator for each fraction.
- Select the operation: +, −, ×, or ÷.
- Read the simplified fraction result, its decimal value, and mixed number form.
Frequently Asked Questions
- Find a common denominator (LCD), convert each fraction, then add the numerators. This calculator does it automatically using cross-multiplication: a/b + c/d = (a×d + c×b) / (b×d), then simplifies.
- Multiply by the reciprocal: a/b ÷ c/d = a/b × d/c. This calculator applies that rule automatically.
- A mixed number combines a whole number and a proper fraction, e.g., 1 1/2 instead of 3/2. This calculator shows results in both forms.
- By dividing numerator and denominator by their Greatest Common Factor (GCF) using the Euclidean algorithm.
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