Write the following ratios into the simplest form , 2.5 hours to 75 minute , 560 to 65, 2.8to56

2.5 hours to 75 minutes is the same as 2.5/75 = 1/30

560 to 65 is already in simplest form
2.8 to 56 is the same as 2.8/56 = 1/20