Adding fractions with unlike denominators Flashcard

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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 the denominator of a fraction represent?

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

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What does the numerator of a fraction represent?

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The numerator shows how many parts of the whole are being considered.

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What is an unlike denominator?

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Unlike denominators are denominators that are not the same in two or more fractions.

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How do you find a common denominator for fractions?

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

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What is the least common multiple (LCM)?

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The LCM of two or more numbers is the smallest number that is a multiple of each of the numbers.

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What is the first step in adding fractions with unlike denominators?

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The first step is to find a common denominator for 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 reach the common denominator.

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