45 minutes is 45/60 hours.
By writing the 45 minutes as a fraction of an hour. One hour is 60 minutes, so write the 45 over 60 and simplify.
Fraction of one hour is 45 minutes is 0.750
45/1 minutes
It is 45/1440.
It is 45/1440.
There are 60 minutes in an hour so 45 minutes is 45/60 = 3/4 of an hour.
0.045 = 45/1000
45/8, which cannot be simplified.
45% = 0.45 = 45/100 = 9/20
It is 45/300, which can be simplified if required.
It is 45/60, which can be simplified, if required.
1\2