00:56
Subtracting Rational Expressions
Rational expressions with the same number in the denominator are subtracted.
01:42
Factoring Before Simplifying a Rational Expression
Examples of factoring before simplifying a rational expression are presented.
01:42
Factoring a Denominator to Add Rational Expressions
The process of working with a rational expression that contains a quadratic trinomial in the denominator is illustrated.
01:10
Adding Rational Expressions with Different Denominators
Rational expressions with different denominators are added and the procedure explained.
01:25
Adding Rational Expressions: Practice Problem
Rational expressions with different denominators are added.