LCD of Rational Expressions Test #4

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In this section, we learn how to find the LCD or least common denominator for a group of rational expressions. In pre-algebra we learned that the LCD
for a group of fractions is the smallest number that is divisible by all denominators. To find the LCD for a group of rational expressions, we use a
similar technique. We begin by factoring all denominators completely. We then list each different denominator factor. When a factor occurs in more than
one factorization, we list the largest number of repeats among all factorizations.

LCD of Rational Expressions Resources:

Videos:

Virtual Nerd - Video
Home School Math Online - Video
Your Math Gal - Video
Text Lessons:

Brain Fuse - Text Lesson
Wallace - Text Lesson
School Tutoring - Text Lesson
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