Adding and Subtracting Fractions with Common Denominators

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What is a fraction?

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What is the numerator in a fraction?

Back

The numerator is the top number of a fraction that indicates how many parts are being considered.

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What is the denominator in a fraction?

Back

The denominator is the bottom number of a fraction that indicates the total number of equal parts in a whole.

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How do you add fractions with the same denominator?

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Front

How do you subtract fractions with the same denominator?

Back

Front

What is the first step in adding fractions?

Back

Ensure that the fractions have a common denominator before adding.

Front

What is the first step in subtracting fractions?

Back

Ensure that the fractions have a common denominator before subtracting.

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Front

What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms by dividing the numerator and denominator by their greatest common factor.