7th Grade Challenging Math

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7-54)   Answer

          2015/2016; 2016/2017, 2017/2018

Solution: Change the expressions of the fractions to the following:
2015/2016 = 1 - 1/2016
2016/2017 = 1 - 1/2017
2017/2018 = 1 - 1/2018

Now it is easy to see which one is the smallest.