Fractions and Decimals Computation Flashcards

A bolt extends 5/16 inch on each side of a plate that is 1 1/2 inches thick. What is the total bolt length needed?

Answer: 2 1/8 inches

5/16 + 1 1/2 + 5/16 = 10/16 + 24/16 = 34/16 = 2 1/8 inches.

A reading of 0.875 inch is equivalent to which fraction?

Answer: 7/8 inch

0.875 = 875/1000 = 7/8 inch.

An elevator travels 480 feet in 1 minute. At 3/4 speed, how far does it travel per minute?

Answer: 360 feet

3/4 × 480 = 360 feet per minute.

A parts order costs $124.80 before a 1/4 discount. What is the discounted price?

Answer: $93.60

Discount = 1/4 × 124.80 = 31.20; 124.80 − 31.20 = $93.60.

A guide rail section is 18 feet long. A technician cuts off 2.375 feet. How much remains?

Answer: 15.625 feet

18.000 − 2.375 = 15.625 feet.

An oil reservoir holds 6 3/4 quarts. After a service, 2 2/3 quarts are added. The new total is:

Answer: 9 5/12 quarts

6 3/4 + 2 2/3 = 6 9/12 + 2 8/12 = 8 17/12 = 9 5/12 quarts.

A wire is divided into 5 equal pieces from a 3.5-meter coil. How long is each piece?

Answer: 0.7 meters

3.5 ÷ 5 = 0.7 meters per piece.