Adding Fractions (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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How do you add fractions with unlike denominators?

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To add fractions with unlike denominators, you first find a common denominator, convert each fraction to an equivalent fraction with that denominator, and then add the numerators.

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What is a common denominator?

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A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

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What do you need to have when adding unlike fractions?

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You need a common denominator.

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Can you add fractions with unlike denominators directly?

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No, you cannot add unlike denominators directly; you must first find a common denominator.

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The first step is to find a common denominator, which is 12 in this case.