CK-12 Foundation
Ck 12: 2.3 Adding and Subtracting Rational Expressions
This section explores the process for adding and subtracting rational expressions. It primarily focuses on how to identify and use the Least Common Denominator to combine fractions with rational expressions.
Math Planet
Math Planet: Monomials and Adding or Subtracting Polynomials
Gain an understanding of how to add or subtract polynomials by viewing an example and a video lesson.