First you need to find the lowest common denominator for both fractions, which is 4.
So, you need to need to reduce 52/100 to a denominator of 4 by dividing both the numerator and denominator by 25 because 100/25 = 4
This gives you 2.08/4 for Carrie and 3/4 for Lisa. Lisa jogs further.by .92 miles.