75 minutes in a fraction...compared to hours?
If that's the case, then you would first have to set the given amount of minutes (75) over 60, because there are 60 minutes in an hour. So we have:
75/60 hours
75/60 can be simplified to 5/4 because both numbers have a factor of 15, and can both be divided by that number. So 75 minutes in a fraction will be 5/4 hours, or 1 and 1/4 hours.