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


What is the least common multiple of 3 and 12? How can this help you with this calculation?

Convert two-thirds to a fraction with a denominator of 12.

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.