### Home > CC1MN > Chapter 3 Unit 3A > Lesson CC1: 3.1.4 > Problem 3-62

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.