How do we add fractions expressions for rational expressions

This video tutorial explains how to add and subtract rational expressions, focusing on polynomials. It begins with a review of adding and subtracting simple fractions, emphasizing the importance of common denominators. The tutorial provides examples of both operations, demonstrating how to find the least common multiple and simplify results. The concepts are then applied to rational expressions with polynomials, preparing students for more complex problems.

What is the importance of having the same denominator when adding or subtracting fractions?

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How do you simplify the fraction 6/4 after adding two fractions?

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Explain the process of finding the least common multiple (LCM) of two denominators.

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What steps do you take to rewrite fractions with different denominators to have a common denominator?

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Describe how to apply operations to the numerators once the fractions have a common denominator.

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