60 minutes in 1 hour. Hours*60 = minutes, Minutes/60 = hours.
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7 hours in 420 minutes420 minutes = 7 hours.Divide by 60 when converting minutes to hours.
There are 60 minutes in an hour. This means that converting from hours to minutes is done by multiplying by 60. In this case we have 35 hours, so do: 35x60 = 2,100 Therefore there are 2,100 minutes in 35 hours.
Converting minutes to hours1.9 hours Or 1 hour and 54 minutes
0.35 hr (60 min / 1hr) = 21 min
When you subtract (for example) 31 - 15, you have to "borrow" from the ten's place, converting 31 (which is 3 tens and 1 unit) to 2 tens and 11 units. Similarly, when subtracting times, you convert (in this case) the 3 hours to 2 hours and 60 minutes (you convert one of the hours to the equivalent of 60 minutes). Now you can subtract hours minus hours, and minutes minus minutes.