Question

Johnny ran 3/4 of an hour and Angie ran 2/3 of an hour how much more did Johnny run

Answer 1

3/4 of an hour is 45 minutes
2/3 of an hour is 40 minutes
Johnny ran 5 more minutes :)

Answer 2

3/4 = 9/12
2/3 = 8/12

9/12 - 8/12 = 1/12

So Johnny ran for 1/12 of an hour longer than Angie.