Adding rational expressions with different denominators 6

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Taught by YourMathGal
  • Currently 4.0/5 Stars.
5700 views | 1 rating
Part of video series
Meets NCTM Standards:
Lesson Description:

Shows how to add and subtract algebraic fractions by getting a common denominator.

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

Questions answered by this video:
  • How do you add and subtract rational expressions if they do not have the same denominator?
  • How do you subtract, combine, and simplify (x + 1)/(1 - 2x) - (x + 3)/(4x - 3) - (9 - 7x - 10x^2)/(8x^2 - 10x + 3)?
  • Staff Review

    • Currently 4.0/5 Stars.
    This video does a really long, difficult problems involving finding common denominators and adding and subtracting multiple algebraic fractions with unlike denominators. Factoring is required, and the result must be simplified to find the final answer. All steps for this problem are shown and explained well.