Adding Rational Expressions with Different Denominators

This video tutorial teaches how to add rational expressions by drawing parallels to adding fractions. It begins with an introduction to rational expressions and equivalent fractions, using a number line for visualization. The tutorial then explains how to add fractions with different denominators by multiplying by 1 to achieve a common denominator. Finally, it extends these concepts to adding rational expressions with variables, ensuring the same denominator is used for accurate addition.

What is the process to add two fractions with different denominators?

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Explain how to determine if two fractions are equivalent using a number line.

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What does it mean to multiply a fraction by 1, and how does it affect the fraction's value?

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Describe the steps taken to add the fractions 4 over 5x and 3x over 6.

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How do you combine fractions that have the same denominator?

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