Adding Fractions with Unlike Denominators

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What is a fraction?

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What does it mean to add fractions with unlike denominators?

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Adding fractions with unlike denominators means you need to find a common denominator before you can combine the fractions. This involves converting each fraction to an equivalent fraction with the same denominator.

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What is a common denominator?

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A common denominator is a number that is a multiple of the denominators of two or more fractions. It allows you to add or subtract the fractions easily.

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The first step is to find a common denominator, which is 15 in this case.

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What is the formula for adding fractions?

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