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Title:

Review Problems

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Review Problems 1) 2) 3) Add/Subtract Rational Expressions Objective-to recall procedures used to add and subtract fractions, and apply to rational expressions ... – PowerPoint PPT presentation

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Title: Review Problems


1
Review Problems
  • 1)
  • 2)
  • 3)

2
Add/Subtract Rational Expressions
  • Objective-to recall procedures used to add and
    subtract fractions, and apply to rational
    expressions

3
Review Adding Fractions
  • You can only add like to like
  • Same Denominators

4
Different Denominators
  • Make them the same
  • find a common denominator
  • The product of all denominators is always a
    common denominator
  • But not always the least common denominator

5
Finding the LCD
  • Example

6
Factor the Denominators
7
Assemble LCD
8
Build up Fractions to LCD
9
Add Numerators
And Reduce if Needed
10
Rational Expressions
  • Example

11
Factor the Denominators
12
Assemble LCD
13
Build up Fractions to LCD
14
Add Numerators
15
Simplify Numerator
16
Summary of Steps
  1. Factor denominators
  2. Assemble LCD
  3. Build up Fractions
  4. Add Numerators
  5. Simplify Numerator

17
Try these examples
1)
2)
3)
18
Answers
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