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No No. fifteen minutes = 1/4 one quarter of an hour 0r 25 % there are 60 minutes in one hour 30 minutes in 1/2 half an hour and 15 in a quarter of an hour.
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There are 60 minutes in an hour. Four minutes = 4/60 = 2/30 = 1/15.
There are 30 minutes in half an hour and 15 minutes in a quarter of an hour
One hour = 60 minutes Quarter hour = 15 minutes 60 + 15 = 75 Minutes
0.2667
15 minutes is one quarter of an hour.