Mathematics
Fraction Calculator
Add, subtract, multiply, and divide fractions with step-by-step solutions
How to Use
- Select the operation (+, −, ×, ÷) using the buttons above the inputs.
- Enter the numerator (top) and denominator (bottom) for each fraction.
- Results appear instantly — no button press required.
- The calculator automatically simplifies the result and shows the decimal and mixed number equivalents.
Formula
Fraction arithmetic rules:
a/b + c/d
= (ad + bc) / bd a/b − c/d
= (ad − bc) / bd a/b × c/d
= ac / bd a/b ÷ c/d
= ad / bc Simplify
Divide numerator & denominator by GCD Fractions represent parts of a whole and are foundational in mathematics, cooking, engineering, and finance. Our free fraction calculator handles addition, subtraction, multiplication, and division of fractions with automatic simplification, mixed number conversion, and decimal equivalents — all updated instantly as you type.