Adding and Subtracting Rational Expressions

Simplify:

• A

• B

• C

• D

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CCSS.HSA.APR.D.7

In order to add or subtract rational expressions you must have the same ___________________.

• variable

• denominator

• numerator

• coefficient

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CCSS.HSA.APR.D.7

To add and subtract rational expressions we need to make sure we have common _____________?

• Denominators

• Multiples

• Exponents

• Lines

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CCSS.HSA.APR.D.7

How do we determine what the LCD is?

• Take the least combined divisor from all of then

• You add all of the fractions together, even with different denominators

• Do the opposite and find the biggest form of the expression

• The smallest number that both of the denominators divide into

Whatever you do in the denominator you have to do in the __________?

• LCD

• Parenthesis

• Numerator

• Radical

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CCSS.HSA.APR.D.7

Add Fractions

• A

• B

• C

• D

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CCSS.HSA.APR.D.7

Add

• A

• B

• C

• D

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CCSS.HSA.APR.D.7

Subtract

• A

• B

• C

• D

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CCSS.HSA.APR.D.7

Subtract, factor, simplify

• A

• B

• C

• D

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CCSS.HSA.APR.D.7

• A.
• B.
• C.
• D.

Tags

CCSS.HSA.APR.D.7