Exam 8: Fractions

1 divided by 1/5 = ____________________.

1/4 + 3/4 = ____________________.

3/4 minus 3/8 = ____________________.

An electrical contractor bills a customer $67.00 per hour for 5 1/4 hours per day for 6 days. If he pays his workers 1/4 of what he receives and uses 1/5 of what he receives to pay for materials, how much money is left for the contractor?

3/16 * 4/5 = ____________________.

3/8 divided by 3/4 = ____________________.

Express 7/8 as a decimal.

3-1/3 gallons + 5-3/4 gallons + 9-3/8 gallons = ____________________ gallons.

28 pounds minus 16-4/7 pounds = ____________________ pounds

Explain what a mixed number is.

If a 3-1/2" beam is covered with 3/4" plywood on one side and 5/8" drywall on the other side, the total thickness is _______________ inches.

Given the fractions 3/4, 5/8, 7/16, and 15/32, the lowest common denominator is __________.

2-7/16 divided by 7/9 = ____________________.

4-3/4 + 6-3/4 = ____________________.

3/8" + 1/4" + 5/16" = ____________________.

3/8 watt + 7/16 watt + 2-11/16 watts = ____________________ watts.

1/8 + 5/12 + 1/3 = ____________________.

The top number of a common fraction is called the ____________________.

The number on the bottom of a common fraction is called the ____________________.

Express 0.6875 as a fraction.