Find the difference. (picture included)

Answer: 30° 9' 50"
Step-by-step explanation:
you need to borrow from the Minutes column to be able to subtract the Seconds column. Reminder that 1 minute = 60 seconds.
60° 50' 40" ⇒ 60° 49' 100"
- 30° 40' 50" - 30° 40' 50"
30° 9' 50"