Fractions with Negatives - Review 1 adding and subtracting

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What must you have to add and subtract fractions?

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Common denominators

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When adding numbers with different signs you....

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subtract and take the sign of the larger number

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What is a fraction?

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What does it mean to have 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 subtract fractions with different denominators?

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Find a common denominator, convert the fractions, then subtract the numerators.

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What is the first step in adding fractions?

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Ensure the fractions have a common denominator.

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