The answer to 7 feet 9 inches plus 9 feet 11 inches (7' 9" + 9' 11") is displayed below:
17 feet 8 inches
Here is how we calculated 7 feet 9 inches plus 9 feet 11 inches to get the answer above:
First, we converted feet to inches so we are only dealing with inches.
7 feet 9 inches = 93 inches
9 feet 11 inches = 119 inches
Then, we added the inches together to get the total number of inches:
93 + 119 = 212 inches.
Finally, we converted 212 inches into feet and inches to get the answer.
7' 9" + 9' 11" = 17' 8"
Note: There are 12 inches in a foot. Thus, you multiply feet by 12 to get only inches, and
to make it back to feet and inches we divided total number of inches by 12.
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