Add and 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, 4 and 3 are unlike denominators.

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How do you add fractions with unlike denominators?

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To add fractions with unlike denominators, first find a common denominator, convert the fractions, and then add the numerators.

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What is the least common denominator (LCD)?

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The least common denominator is the smallest multiple that two or more denominators share. It is used to add or subtract fractions.

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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 the least common denominator (LCD) of the fractions.

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How do you convert fractions to have a common denominator?

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Multiply the numerator and denominator of each fraction by the necessary factor to make the denominators equal.

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What is the process to simplify a fraction?

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To simplify a fraction, divide the numerator and the denominator by their greatest common factor (GCF).