In this lesson, we learn how to add and subtract algebraic fractions by getting a common denominator. The instructor provides a step-by-step guide to solving a long problem with three fractions, emphasizing the importance of factoring and simplifying the numerator before writing it over the common denominator. The lesson also highlights the usefulness of trial factors to find the least common denominator and to see if any factors can be canceled out.
Shows how to add and subtract algebraic fractions by getting a common denominator.
More free YouTube videos by Julie Harland are organized at http://yourmathgal.com