Combining rational expression with like denominators

The video tutorial explains how to add rational expressions with like denominators. It emphasizes the importance of ensuring that denominators are the same before performing operations on the numerators. The tutorial demonstrates the process of adding numerators and keeping the denominator unchanged, followed by simplifying the expression. It also highlights the need to consider restrictions, such as ensuring the variable does not equal zero, to avoid division by zero. The tutorial concludes with a summary of the steps involved in adding rational expressions with like denominators.

Explain the process of adding the numerators when the denominators are the same.

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What is the final simplified answer when adding 15/15 and 5 with a common denominator of 4X?

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