LCD of Fraction VS LCD of Rational Expression

The video tutorial explains the process of finding the least common denominator (LCD) for both fractions and rational expressions. It begins with a comparison of the two processes, emphasizing the importance of a common denominator when adding or subtracting fractions. The tutorial demonstrates the simplest method of multiplying denominators to find a common denominator, and then applies this method to both numerical fractions and polynomial expressions. It also covers more complex examples where simple multiplication does not yield the LCD, highlighting the need for factoring in such cases. The video aims to clarify these concepts to help students struggling with fractions and rational expressions.

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