Deck 8: Multiplication of Common Fractions

Question 1

2 1/2 x 1 1/8 gallons.

Answer 1

2 13/16

Question 2

3/4 x 1/4 inch.

Answer 2

3/16

Question 3

Seven pieces of wood each 8 3/8 inches long are needed to build a table. To get all seven pieces from one board, how long must that board be? Allow 2 inches for waste.

Answer 3

60 5/8

Question 4

A wall is paneled with 15 boards. Each board has a 1 1/8 inch exposed surface. Find the width of the wall in inches.

Question 5

There are 6 steps in a flight of stairs. The run of each step is 9 1/4 inches. What is the total run of the staircase?

Question 6

There are 17 risers in the stairs from the basement to the first floor of a house. Find the total height if each rise is 7 1/3 inches high.

Question 7

When multiplying two or more common fractions, multiply the numerators and then the denominators. Finally, reduce the fraction to the lowest terms.

Question 8

When multiplying fractions by whole numbers, change the whole number to a fraction. Proceed as in multiplying common fractions.

Question 9

A beam is 32 7/8 feet long. Find 1/8 of its length.

Question 10

3 1/4 x 4 1/2 inches.