Complex Fractions and Unit Rate

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both contain fractions.

Front

How do you simplify a complex fraction?

Back

To simplify a complex fraction, multiply the numerator and the denominator by the least common denominator (LCD) of the fractions within it.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one.

Front

How do you find the unit rate from a total amount?

Back

To find the unit rate, divide the total amount by the number of units.

Front

If Sasha mows 3/8 of an acre in 3/4 hour, how do you find the rate per hour?

Back

Divide 3/8 by 3/4, which equals 1/2 acres per hour.

Front

What is the unit rate of Elijah's earnings if he earns $200 for 8 hours?

Back

The unit rate is $200 divided by 8 hours, which equals $25 per hour.

Front

How do you calculate the cost per pound?

Back

To calculate the cost per pound, divide the total cost by the total weight in pounds.

Front

If you spend $40 on 5 pounds of concrete, what is the cost per pound?

Back

The cost per pound is $40 divided by 5 pounds, which equals $8 per pound.

Front

How do you find the rate of snowfall per hour?

Back

To find the rate of snowfall per hour, divide the total inches of snow by the total hours.

Front

If it snowed 14 inches in 5 hours, what is the snowfall rate?

Back

The snowfall rate is 14 inches divided by 5 hours, which equals 2.8 inches per hour.