18 degrees 25 minutes 36 seconds + 22 degrees 43 minutes 45 seconds =?

18 degrees 25 minutes 36 seconds + 22 degrees 43 minutes 45 seconds =?

The key problem here is that the number of degrees, minutes and seconds is 60
1 degree = 60 minutes. 1 minute = 60 seconds
18 degrees 25 minutes 36 seconds + 22 degrees 43 minutes 45 seconds = 41 degrees 9 minutes 21 seconds