Fraction Calculator
Add, subtract, multiply, and divide proper, improper, and mixed fractions with automatic simplification.
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How to Use the Fraction Calculator
Enter the required values in the fields above and click Calculate. All calculations are executed directly inside your web browser using proven mathematical formulas, ensuring instantaneous results and 100% privacy without transmitting your numbers to remote servers.
Mathematical Formula
Addition: (a/b) + (c/d) = (ad + bc) / bd | Multiplication: (a/b) × (c/d) = ac / bd
Worked Example
2/3 + 3/4 = (8 + 9) / 12 = 17/12 = 1 5/12 (decimal 1.4167).
Important Notes & Limitations
Denominators must not be zero. All numerators and denominators must be integer values.
Frequently Asked Questions
Multiply the numerators together, multiply the denominators together, and reduce the fraction to lowest terms using the greatest common divisor.