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.

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