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Home > CC1 > Chapter 3 > Lesson 3.1.4 > Problem 3-62


Add or subtract the following fractions.

  • 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.