He needs to find the common denominator. In this problem, the common denominator is 30. Study this site to learn how to turn these fractions into equivalent fractions.
http://www.mathsisfun.com/equivalent_fractions.html
Adam wants to compare the fractions 2/5, 1/6, and 1/3. He wants to order them from least to greatest and rewrite them so they all have the same denominator. Explain how Adam can rewrite the fraction.
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