# Sam's car traveled 120 miles on 9 gallons of gasoline. How do you express the ratio of miles to gallons as a fraction in lowest terms?

Aug 4, 2018

color(crimson)(=>. 40/3 " miles / gallon"

#### Explanation:

$120 \text{ miles on " 9 " gallons}$

$\implies \frac{120}{9} \text{ miles / gallon}$

$\implies \frac{\cancel{3} \cdot 40}{3 \cdot \cancel{3}} \text{ miles / gallon}$

color(crimson)(=>. 40/3 " miles / gallon"