SOLUTION
From the question given, it means that the trip to Indiana took
[tex]3\frac{2}{3}\text{ hours }[/tex]While that of Michigan took
[tex]4\frac{1}{2}\text{ hours }[/tex]To find how much longer it took to drive to Michigan than Indiana, we simply subtract. This becomes
[tex]4\frac{1}{2}-3\frac{2}{3}[/tex]Changing the mix frac