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Fraction Calculator

Add, subtract, multiply, and divide fractions with step-by-step solutions

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How Fraction Arithmetic Works

Fractions consist of a numerator (top) and denominator (bottom). To perform operations, different rules apply for each.

Frequently Asked Questions

How do you add fractions with different denominators?
Find the LCD, convert each fraction to equivalent fractions with the LCD, then add numerators. Example: 1/3 + 1/4 = 4/12 + 3/12 = 7/12.
How do you multiply fractions?
Multiply numerators together and denominators together, then simplify. Example: 2/3 x 3/4 = 6/12 = 1/2.
What is a mixed number?
A mixed number has a whole part and a fraction part, like 2 1/3. Convert to improper fraction: (2x3+1)/3 = 7/3.