45 : 2x60 =45 : 120 or as a fraction this would be 9/24
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45 minutes to 2 hours is the same as 45 minutes to 120 minutes. This can be reduced to 9/24, or 9 to 24.
It is: 2 hours and 45 minutes
It is 2 hours 45 minutes.
1 hour is the equivalent of 60 minutes, so 2 hours is 120 minutes. Add 45 minutes to the 120 minutes (or 2 hours) and voila, the sum or the answer is 165 minutes.
So 45 minutes is 3/4 of an hour (60 minutes in an hour, 45/60 simplifies to 3/4). That means the mixed number would be 2 3/4 hours.