53,4:15=

The equation 53 divided by 4:15 can be solved as follows:

First, convert 4 hours and 15 minutes to 4.25 hours (since there are 60 minutes in an hour and 15 minutes is equal to 15/60 or 0.25 hours).

Then, divide 53 by 4.25:

53 / 4.25 = 12.47

Therefore, 53 divided by 4:15 equals approximately 12.47.