Reviewing student answers to show how to add two rational expressions by finding the LCM

The video tutorial explains how to find the least common multiple (LCM) of numbers. It begins with an introduction to the concept of LCM, followed by a step-by-step guide on determining the LCM. The tutorial concludes with the final calculation and a summary of the process, emphasizing the importance of common denominators and adding numerators.

What new insight or understanding did you gain from this video?