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Home > CCA2 > Chapter 3 > Lesson 3.2.4 > Problem 3-103


Use the methods developed in class to add or subtract the following rational expressions. Be sure to look for factors before trying to determine a common denominator, and simplify your answers, if possible.


    This is addition of fractions. What are the steps for adding fractions?


    To make common denominators, multiply the second term by the Giant One below.

    Giant one: the sum of, x, + 2, divided by the sum of, x, + 2.

    Add the numerators and keep the denominators the same.


    Refer to part (a).