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Simplifying Rational Expressions: Addition and Subtraction.

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Presentation on theme: "Simplifying Rational Expressions: Addition and Subtraction."— Presentation transcript:

1 Simplifying Rational Expressions: Addition and Subtraction

2 Adding and Subtracting Fractions Add the Numerators Least Common Denominator (if you can find it) Common Denominator Remember to Simplify if Possible! Addition: Subtraction: Subtract the Numerators

3 Add/Subtract Rational Expressions Simplify: Same denominator! Half the work is done! CAREFUL with subtraction! Combine Like Terms Make sure it can’t 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 can’t be simplified beforehand

7 Add/Subtract Rational Expressions Simplify: Factor to find a Smaller Common Denominator Make sure it can’t be simplified more


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