Add and Subtract Unlike Fractions

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What is an unlike fraction?

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Unlike fractions are fractions that have different denominators.

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How do you find the Least Common Denominator (LCD) of two fractions?

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To find the LCD, determine the least common multiple (LCM) of the denominators.

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What is the first step in adding or subtracting unlike fractions?

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The first step is to find the least common denominator (LCD) 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 LCD.

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What is the formula for adding fractions?

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What is the formula for subtracting fractions?

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How do you simplify a fraction?

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To simplify a fraction, divide the numerator and denominator by their greatest common factor (GCF).

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