Subtracting Fractions

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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 subtract fractions?

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Subtracting fractions involves finding the difference between two fractions, which requires a common denominator.

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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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How do you find the least common denominator (LCD) of two fractions?

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To find the LCD, list the multiples of each denominator and identify the smallest multiple they share.

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The least common denominator is 20.

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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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