Find the common denominator:
5 1/4 is the same as 5 5/20.
5 4/10 is the same as 5 8/20.
5 5/20 is less than 5 8/20.
5 1/4 is the same as 5 5/20.
5 4/10 is the same as 5 8/20.
5 5/20 is less than 5 8/20.