Adding and Subtracting Positive and Negative Fractions

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What is a positive fraction?

Back

A positive fraction is a fraction where the numerator and denominator are both positive numbers, indicating a value greater than zero.

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What is a negative fraction?

Back

A negative fraction is a fraction where the numerator is negative, indicating a value less than zero.

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How do you add two fractions with different denominators?

Back

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

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What is the first step in subtracting a negative fraction from a positive fraction?

Back

The first step is to convert the subtraction of a negative fraction into addition by changing the sign.

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What does it mean to simplify a fraction?

Back

To simplify a fraction means to reduce it to its lowest terms, where the numerator and denominator have no common factors other than 1.

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What is the process for finding a common denominator?

Back

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

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What is the rule for adding two negative fractions?

Back

When adding two negative fractions, add their absolute values and keep the result negative.

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What is the rule for subtracting a positive fraction from a negative fraction?

Back

When subtracting a positive fraction from a negative fraction, add the absolute values and keep the result negative.