What is 2:45 + 1:20 ? ❖Add the hours: 2+1 = 3 ❖Add the Minutes: 45+20 = 65 ❖The minutes are more than 60, so subtract 60 from minutes (65−60 = 5 Minutes) and add 1 to hours (3+1 = 4 hours) The answer is 4:05