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Fraction Calculator
Add, subtract, multiply, and divide fractions
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Frequently Asked Questions
How do I add fractions with different denominators?
Find the least common denominator (LCD), convert each fraction so they share that denominator, then add the numerators. For example, 1/3 + 1/4: LCD is 12, so 4/12 + 3/12 = 7/12.
How do I convert a fraction to a decimal?
Divide the numerator by the denominator. For example, 3/4 = 3 ÷ 4 = 0.75. Some fractions produce repeating decimals, like 1/3 = 0.333...
What is a mixed number?
A mixed number combines a whole number and a fraction, like 2 ¾. To convert it to an improper fraction, multiply the whole number by the denominator, add the numerator, and keep the same denominator: 2 ¾ = (2×4+3)/4 = 11/4.