13 Q COMPLEX FRACTIONS (UNIT RATES)

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, find a common denominator for the fractions in the numerator and denominator, combine them, and then simplify the resulting fraction.

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together, expressed as a quantity per one unit of another quantity.

Front

How do you find the unit rate from a complex fraction?

Back

To find the unit rate from a complex fraction, divide the numerator by the denominator to express the fraction as a single number per unit.

Front

If a car travels 150 miles using 5 gallons of gas, what is the unit rate of miles per gallon?

Back

Front

What is the formula for calculating speed?

Back

Speed is calculated using the formula: Speed = Distance / Time.

Front

If a snail moves 3/10 of a meter in 1/12 hour, how do you find its speed in meters per hour?

Back

Front

What is the average speed of a jogger who runs 1 1/2 miles in 1/4 hour?

Back

Front

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

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator.

Front

What is the first step in solving a problem involving unit rates?

Back

The first step is to identify the quantities involved and determine what you are comparing.