Add/Subtract Fractions with Unlike Denominators

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What is a fraction?

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A fraction represents a part of a whole and consists of a numerator (top number) and a denominator (bottom number).

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What does it mean to have unlike denominators?

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Unlike denominators are denominators that are not the same. For example, in the fractions 1/4 and 1/3, the denominators 4 and 3 are unlike.

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How do you find a common denominator for fractions?

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To find a common denominator, identify the least common multiple (LCM) of the denominators. For example, for 1/4 and 1/6, the LCM is 12.

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What is the first step in subtracting fractions with unlike denominators?

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The first step is to find a common denominator for the fractions.

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What is the process to add fractions with unlike denominators?

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1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Add the numerators and keep the common denominator.

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What is the simplest form of a fraction?

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The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.

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How do you convert a mixed number to an improper fraction?

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