Answer :
At first, he climbs 3 3/5 feet. Then he continues to climb at 4 2/3 feet.
Therefore, you simply add the two value and you will get...
3 3/5 feet + 4 2/3 feet = 8 4/15 feet
Therefore, you simply add the two value and you will get...
3 3/5 feet + 4 2/3 feet = 8 4/15 feet