Fraction Calculator
Add, subtract, multiply, divide, and simplify fractions with step-by-step integer numerators and denominators.
Add, subtract, multiply, divide
Use integers. Denominators cannot be zero.
Your Results
Enter both fractions completely.
Simplify one fraction
How to use this calculator
Enter integers for numerators and denominators. Choose an operation (+, −, ×, ÷) for two fractions, or use the simplify section for a single fraction. Results are reduced using the greatest common divisor.
Related tools
FAQ
Why integers only?
Integer fractions keep the UI predictable for homework-style problems. For decimals, use the ratio or percentage tools.
How is division defined?
Dividing by a second fraction uses multiply by the reciprocal: (a/b) ÷ (c/d) = (a×d)/(b×c).
Related Tools
Ratio Calculator
Instantly simplify ratios, convert ratio to decimal/percentage, and scale proportions with examples.
Proportion Calculator
Solve equivalent ratios and missing values using cross-multiplication.
Ratio to Fraction Calculator
Convert ratio a : b to a fraction, decimal, and share of the combined total.