Adding and Subtracting Rational Functions with Different Denominators

The first step in solving addition and subtraction of rational numbers with unlike denominators is:

• Creating a common denominator

• Creating a common numerator

• Adding the numerators

• Adding the denominators

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CCSS.7.NS.A.1C

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

Tags

CCSS.7.NS.A.1C

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CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5x

• x

• 5

• x+2

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CCSS.HSA.APR.D.7

• 5x

• x

• 5

• x+2

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CCSS.HSA.APR.D.7

• 6

Tags

CCSS.HSA.APR.D.7

• 5

Tags

CCSS.HSA.APR.D.7