Frequently Asked Questions
How do I add fractions with different denominators?
Find the least common denominator, convert each fraction, then add the numerators. Example: 1/3 + 1/4 = 4/12 + 3/12 = 7/12.
How do I multiply fractions?
Multiply numerators together and denominators together: (2/3) × (4/5) = 8/15. No common denominator needed. Simplify the result if possible.
How do I divide fractions?
Multiply by the reciprocal of the divisor: (3/4) ÷ (2/5) = (3/4) × (5/2) = 15/8. The "keep, change, flip" rule.
How do I convert an improper fraction to a mixed number?
Divide numerator by denominator. The quotient is the whole part; the remainder over the original denominator is the fraction. So 11/4 = 2 ¾.
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