Add and Subtract fractions

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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 how many equal parts the whole is divided into.

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How do you add fractions with different denominators?

Back

To add fractions with different denominators, find a common denominator, convert the fractions, and then add the numerators.

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What is the first step in subtracting fractions?

Back

The first step is to find a common denominator for the fractions being subtracted.

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What does it mean to reduce a fraction?

Back

Reducing a fraction means simplifying it to its lowest terms by dividing the numerator and denominator by their greatest common factor.

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What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.

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What is the process to find a common denominator?

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To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions.