Practice Exercises: Adding and Subtracting Fractions and Mixed Numbers

Directions: Perform the necessary operation(s) in each exercise below. Be sure to simplify your result, if necessary. Click once in an ANSWER BOX and type in your answer; then click ENTER. After you click ENTER, a message will appear in the RESULTS BOX to indicate whether your answer is correct or incorrect. To start over, click CLEAR.

Note: To write the fraction three-fourths, enter 3/4 into the form. To write the mixed number four and two-thirds, enter 4, a space, and then 2/3 into the form.

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8. At the supermarket, Jorge bought 3/5 of a bag of Red Delicious apples and 2/5 of a bag of McIntosh apples. How many more bags of Red Delicious apples did Jorge purchase?
 
 
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9. Cathy filled a pitcher with 9/10 of a liter of juice. Later, she poured out 1/4 of a liter of the juice. How much juice is left in the pitcher?
 
 
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10. A farmer placed an order for 13 and 7/12 tons of fertilizer. He calculates that the corn fields will require 10 tons of it. How much fertilizer will the farmer have left for his other crops?
 
 
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