I find the easiest solution is to make all the fractions in your set have a common denominator. For example, if you must order 2/4, 1/8, and 3/16 from least to greatest (or vice versa), choose the smallest number that all of the fractions' denominators go into.
Quick Answer. According to the United States Postal Service, priority mail takes 1 to 3 days to arrive at its destination. The length of time varies due to the distance based on the shipping point and the receiving point. Continue Reading.
How Long Does Priority Mail Take? July 20, 2009. When sending something by first-class mail doesn't fit your needs, the United States Postal Service provides additional services that can get the item to its destination faster and allow you to follow its progress.