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 add fractions with unlike denominators?

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Adding fractions with unlike denominators means you must first find a common denominator before you can combine the fractions.

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How do you find a common denominator for two fractions?

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To find a common denominator, identify the least common multiple (LCM) of the two denominators.

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

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Can you add fractions with different denominators directly?

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No, you cannot add fractions with different denominators directly; you must first convert them to have a common denominator.

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What is the importance of the denominator in a fraction?

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The denominator indicates how many equal parts the whole is divided into.

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You will get an incorrect answer because the fractions are not compatible for direct addition.

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