Simplifying Rational Expressions: Addition and Subtraction - PowerPoint PPT Presentation

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Simplifying Rational Expressions: Addition and Subtraction

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Simplifying Rational Expressions: Addition and Subtraction Adding and Subtracting Fractions Add/Subtract Rational Expressions Add/Subtract Rational Expressions Add ... – PowerPoint PPT presentation

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Title: Simplifying Rational Expressions: Addition and Subtraction


1
Simplifying Rational Expressions Addition and
Subtraction
2
Adding and Subtracting Fractions
Subtraction
Addition
Least Common Denominator (if you can find it)
Common Denominator
Subtract the Numerators
Add the Numerators
Remember to Simplify if Possible!
3
Add/Subtract Rational Expressions
Same denominator! Half the work is done!
Simplify
CAREFUL with subtraction!
Combine Like Terms
Make sure it cant be simplified more
4
Add/Subtract Rational Expressions
Simplify
Find a Common Denominator
Combine Like Terms
5
Add/Subtract Rational Expressions
Simplify
Find a common denominator
Distribute numerators but leave the denominators
factored
CAREFUL with subtraction
Combine like Terms
6
Add/Subtract Rational Expressions
Simplify
Factor to find a Smaller Common Denominator
Make sure it cant be simplified beforehand
7
Add/Subtract Rational Expressions
Simplify
Factor to find a Smaller Common Denominator
Make sure it cant be simplified more
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