Adding and Subtracting Fractions in Construction Applications

What is the total length when adding 3 feet 1.5 inches to 8 feet 5 inches?

• 10 feet 6.5 inches

• 11 feet 7 inches

• 12 feet 6.5 inches

• 11 feet 6.5 inches

What common denominator is chosen for adding fractions in the wall assembly example?

• 32

• 4

• 8

• 16

What is the total dimension of the wall when combining 5.5 inches of studs, 3/8 inch drywall, and 7/16 inch OSB?

• 5 and 3/4 inches

• 7 inches

• 6 and 1/2 inches

• 6 and 5/16 inches

How do you simplify the fraction 2/8?

• 1/3

• 1/8

• 1/2

• 1/4

What is the total thickness of a wall built with a 2x4 (3.5 inches deep) and 3/8 inch drywall on both sides?

• 4 inches

• 4 and 1/2 inches

• 4 and 1/4 inches

• 3 and 3/4 inches

What is the simplified result after subtracting 3/4 inch and 1/8 inch from a board that is 92 and 5/8 inches long?

• 92 inches

• 91 and 1/2 inches

• 91 and 3/4 inches

• 90 and 3/4 inches

How do you convert 3/4 to a fraction with a denominator of 8?

• 5/8

• 4/8

• 7/8

• 6/8

What is the final dimension after subtracting two feet six inches from five feet three and a half inches?

• Two feet eight inches

• Three feet nine and a half inches

• Three feet eight inches

• Two feet nine and a half inches

What is the simplified form of 10/8?

• 1 and 1/8

• 1 and 3/4

• 1 and 1/2

• 1 and 1/4

What is the result when subtracting a dimension of 2 feet 6 inches from 5 feet 3.5 inches?

• 2 feet 9.5 inches

• 3 feet 9.5 inches

• 2 feet 8 inches

• 3 feet 8 inches