Order the fractions from least to greatest.

1/4, 1/3, 1/2

17/6, 11/3, 21/15, 2 5/12, 40/24

21/15, 17/6, 11/3, 40/24, 2 5/12

4/7, 41/42, 13/12, 18/21,7/6

7/6, 18/21, 13/12, 4/7, 41/42