*Complex Fractions

Front

What is a complex fraction?

Back

A fraction with a fraction in the numerator, denominator, or both.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

Convert the mixed number 1\frac{1}{3} to an improper fraction.

Back

\frac{4}{3}

Front

What is the unit rate?

Back

The unit rate is the amount of one quantity per one unit of another quantity.

Front

If you spend $40 on 5 pounds of concrete, what is the unit rate in dollars per pound?

Back

$8 per pound.

Front

How do you find the average rate?

Back

Divide the total quantity by the total time.

Front

If Mrs. Defreitas reads 8\frac{1}{3} pages in 10 minutes, what is her average reading rate in pages per minute?

Back

\frac{5}{6} pages per minute.

Front

What is the formula for finding the total cost given the unit rate and quantity?

Back

Total Cost = Unit Rate × Quantity.

Front

If a recipe requires \frac{2}{3} cup of sugar for \frac{1}{3} batch of brownies, how much sugar is needed for 1 batch?

Back

2 cups.

Front

What is the process to simplify a complex fraction?

Back

Multiply the numerator and denominator by the least common denominator (LCD) of the fractions.