INTALG 6.2: Rational Expressions: Addition

Typo: At 11:19, part (b), denominator should be 3x^2 -7x +2 = (3x-1)(x-2). We describe additions and subtraction for rational expressions. A key step is identifying a least common denominator and adjusting terms with such. We also identify issues working with signs. Many examples are given.

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