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Home > MC1 > Chapter 7 > Lesson 7.2.5 > Problem 7-94


Show how finding a Least Common Multiple can help you to simplify each of the following expressions. Then simplify them.


    What is the least common multiple of and ? How can this help you with this calculation?

    Convert two-thirds to a fraction with a denominator of .

    Subtract five-twelfths from your answer to Step 1.


    See the steps in part (a) for help. In this problem, you might need to rewrite both fractions so that they have a common denominator.