Question

41 degrees, 20 minutes, 26 seconds - 23 degress, 39 minutes, 56 seconds = ?degrees, ?minutes, ?seconds

Answer 1

Do it just like normal subtraction, except that when you borrow 1 degree, it becomes 60 minutes, ...

41-20-26
23-39-56
--------
17-40-30

Answer 2

That makes sense. Thank you!

Answer 3

You're welcome!