Subtracting Fractions Flashcard

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What is the result of subtracting fractions with the same denominator?

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How do you subtract fractions with different denominators?

Back

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions. It allows for the addition or subtraction of fractions.

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Back

The first step is to find the least common denominator (LCD), which is 15 in this case.

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What does it mean to simplify a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common factor (GCF).

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What is the GCF of 4 and 12?

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The greatest common factor (GCF) of 4 and 12 is 4.

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Front

What is the importance of finding a common denominator?

Back

Finding a common denominator is crucial for adding or subtracting fractions, as it allows for the fractions to be expressed in the same terms.