2 1/2 is 5/2, 3 1/7 is 22/7, 1 and 5/6 is 11/6. To make them have a common denominators we change them so they all have 42 as their deniminator. 5/2 is 105/42, 22/7 is 132/42, and 11/6 is 77/42. So, since 132 is the highest numerator, 3 1/7 has the highest numerator.
