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Home > CC2 > Chapter 4 > Lesson 4.2.3 > Problem 4-53


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 the fractions that are to be combined.
    A good one to use for this expression would be .

  1.  A Giant One with 2 divided by 2 in the center. 

  1. Refer to part (a).