Complex Fractions and Unit Rates

Front

What is a complex fraction?

Back

A complex fraction is a fraction where the numerator, the denominator, or both are also 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 involved.

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 price of an item?

Back

To find the unit price, divide the total price by the number of units (e.g., slices, ounces) to get the price per unit.

Front

If Sargento cheese slices cost $2.48 for 10 slices, what is the unit price?

Back

The unit price is $0.248 per slice.

Front

If Velveeta cheese slices cost $3.18 for 12 slices, what is the unit price?

Back

The unit price is $0.265 per slice.

Front

Which is the better deal: Oreos for $2.98 for 15 oz or Chips Ahoy for $2.50 for 14 oz?

Back

Chips Ahoy is the better deal.

Front

How do you calculate the amount needed for a full recipe if given a fraction?

Back

Multiply the amount needed for the fraction by the reciprocal of the fraction to find the total amount needed.

Front

If a recipe requires 2/3 cup of sugar for 1/3 batch, how much sugar is needed for 1 batch?

Back

2 cups of sugar are needed for 1 batch.

Front

How do you find the rate of work done in a given time?

Back

Divide the amount of work done by the time taken to find the rate.