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Home > MC2 > Chapter 3 > Lesson 3.1.2 > Problem 3-22


Simplify the following expressions.

  1. You must find a common denominator before you can combine these terms.

    A common denominator is often a multiple of both denominators of both fractions that are to be combined. A good one to use for this expression would be .

  1. Now combine and simplify the entire expression.

  1. Refer to part (a).