Answer:
Karen
Step-by-step explanation:
Since neither 3/8 or 2/5 can be simplified further, you need to multiply them by the LCM to get the same denominator.
The LCM of 5 and 8 is 40.
Multiply 3/8 by 5 ( both numerator and denominator)(turns into 15/40 )
Multiply 2/5 by 8 ( both numerator and denominator)(turns into 16/40)
Now that they have the same denominator, we can see which one is closest to a whole mile.
16/40 is greater than 15/40, so Karen rode farther.
