GRE Arithmetic: Fractions (Part 2 of 5)

This video tutorial covers the addition and subtraction of fractions. It begins with examples of adding and subtracting fractions with the same denominator, emphasizing the simplicity of adding or subtracting numerators while keeping the denominator constant. The tutorial then progresses to handling fractions with different denominators, explaining the process of finding a common denominator, preferably the least common multiple, to facilitate addition or subtraction. The video also demonstrates how to add and subtract more than two fractions with different denominators. Finally, it provides a brief preview of the next video, which will focus on multiplying fractions.

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