Add and subtract 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 in fractions?

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How do you add fractions with unlike denominators?

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To add fractions with unlike denominators, first find a common denominator, convert each fraction, 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 is the least common denominator (LCD)?

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The least common denominator (LCD) is the smallest common multiple of the denominators of two or more fractions.

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How do you subtract fractions with unlike denominators?

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To subtract fractions with unlike denominators, find a common denominator, convert each fraction, and then subtract the numerators.

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