Uh we don’t know how to help with this answer we need more context sorry :(
It’s a if the quotation is bigger than the dividend the answer is just a mixed number
Area = length x width
45sqft = 8ft x W
45/8 = W
5.625 ft = W
The missing side is 5.625 feet
7/12. This is because you have to add fractions. Basically you do 4+3 to find 7 and place it over 12.