15 videos in "Complex Fractions / Simplifying Rational Expressions"

Expressions for Measures

Fraction Review Part 1

Fraction Review Part 2

Fraction Review Part 3

Simplifying Rational Expressions (7 1C Continued Solutions Problems 60 thur 70)

Rational Expressions 2  Simplifying

LCD Method 1 Part 1  Rational Expressions

LCD Method 1 Part 2  Rational Expressions

Finding the LCD of rational expressions

Simplify Complex Fractions 1

Simplify Complex Fractions 2

Intermediate Algebra Review Part 1

Intermediate Algebra Review Part 2

Simplifying a Complex Fraction

Rationalizing a Denominator using a Conjugate
Finding the LCD of rational expressions
Finding the LCD of rational expressions
3999 views, 1 rating  00:09:21
Part of video series Rational Expressions
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com
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This video shows a method for finding the least common denominator of rational expressions. I've posted at least 2 other videos with methods, explanations, and examples for finding the LCD.
 What is the least common denominator or LCD?
 How do you find the least common denominator of algebraic fractions?
 What is the least common denominator of 3/2x^2 and 5/6xy?
 How do you find the LCD of algebraic fractions if the denominators are not factored?
 How do you find the LCD of x/(9x + 9) and (x + 4)/6x?
 What is the LCD of (3x + 5)/(x  7) and 4/(x + 5)?
 What is the least common denominator of 5/(7x  14) and 3x/(x^2  4)?
 How do you find the least common denominator of 3 algebraic fractions?
 What is the LCD of 4/(3x + 15), 1/(4x  20), and 1/(x^3  25x)?
This lesson shows how to find least common denominators when there are variables involved. The methods shown for finding the least common denominator are the same as with just numbers; you will just have to deal with algebraic expressions now. Several examples are shown and explained in this video.