Khan Academy
Khan Academy: Intro to Adding Rational Expressions With Unlike Denominators
Sal rewrites a/b+c/d as a single rational expression. [2:44]
Khan Academy
Khan Academy: Adding & Subtracting Rational Expressions: Like Denominators
Sal demonstrates adding and subtracting rational expressions with like denominators. [3:44]
Khan Academy
Khan Academy: Multiplying & Dividing Rational Expressions: Monomials
Sal multiplies and divides rational expressions containing monomials. [5:56]