Adding Rational Expressions in Everyday Scenarios

A recipe calls for 3/4 cup of sugar and 1/2 cup of brown sugar. How much sugar is needed in total when combined?

• 1 cup

• 1/2 cup

• 1 1/4 cups

• 3/4 cup

A car travels 1/3 of a mile in 1/6 of an hour. What is the car's speed in miles per hour?

• 3 miles per hour

• 1 mile per hour

• 2 miles per hour

• 4 miles per hour

A gardener has 2/5 of a bag of fertilizer and buys another 1/4 of a bag. How much fertilizer does the gardener have now?

• 7/20

• 1/2

• 13/20

• 3/5

A tank can be filled by 1/2 of a pipe in 3 hours and 1/3 of another pipe in 2 hours. How long will it take to fill the tank using both pipes together?

• 2 hours

• 3 hours

• 4 hours

• 5 hours

A student scored 3/8 of the total points on a test and later scored another 1/4. What fraction of the total points did the student score?

• 1/2

• 3/8

• 7/8

• 5/8

A recipe requires 5/6 of a cup of flour. If you want to make 1/2 of the recipe, how much flour do you need?

• 3/4 cup

• 5/12 cup

• 2/3 cup

• 1/3 cup

A cyclist travels 2/3 of a mile in 1/4 of an hour. What is the cyclist's speed in miles per hour?

• 2.67 miles per hour

• 4 miles per hour

• 3 miles per hour

• 1.5 miles per hour

A baker uses 1/3 of a cup of butter for one batch of cookies and 1/6 of a cup for another batch. How much butter is used in total?

• 3/4 cup

• 1/4 cup

• 2/3 cup

• 1/2 cup

A tank can be filled by 1/4 of a pipe in 2 hours and 1/5 of another pipe in 3 hours. How long will it take to fill the tank using both pipes together?

• 8 hours

• 4 hours

• 120/23 hours or approximately 5.22 hours

• 10 hours

A student completed 3/5 of their homework and then finished another 1/10. What fraction of the homework is completed in total?

• 7/10

• 1/2

• 4/5

• 3/10