Fraction Calculator
Add, subtract, multiply, and divide fractions with simplified fraction, mixed number, and decimal outputs.
Perform addition, subtraction, multiplication, and division on fractions with automatic simplification and mixed number output.
Formulas & Method
- Addition:
(a/b) + (c/d) = (a×d + b×c) / (b×d) - Subtraction:
(a/b) - (c/d) = (a×d - b×c) / (b×d) - Multiplication:
(a/b) × (c/d) = (a×c) / (b×d) - Division:
(a/b) ÷ (c/d) = (a×d) / (b×c)
Worked Example
(1/2) + (1/3) = (3 + 2) / 6 = 5/6 ≈ 0.8333Improper 5/4 = Mixed Number 1 1/4
Frequently Asked Questions
How do you add or subtract fractions?+
Find a common denominator, convert numerators, add or subtract the numerators, and simplify the fraction using the greatest common divisor (GCD).
How do you multiply fractions?+
Multiply numerator by numerator and denominator by denominator, then simplify the result.
How do you divide fractions?+
Multiply the first fraction by the reciprocal (flipped version) of the second fraction.
What is a mixed fraction?+
A mixed fraction (or mixed number) combines a whole number and a proper fraction (for example, 1 1/2). The calculator automatically displays results as improper fractions, simplified fractions, and mixed numbers.