Find the common denominator If you cannot find ill help Its 12. Now we convert 2/3 with the common denominator of 12. It is equal to 8/12 5/6 is equal to 10/12 3/4 is equal to 9/12 That means Leah has 8/12 Joans has 9/12 Maria has 10/12 8/12 is the shortest so Leah ran the shortest