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 ensures that the fractions are expressed in terms of the same whole.

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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 fractions easily.

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The first step is to convert both fractions to have a common denominator. In this case, convert them to have a denominator of 15.

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What is the formula for adding fractions?

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