Practice Exercises: Adding and Subtracting Fractions and Mixed Numbers

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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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Lessons on Adding and Subtracting Fractions and Mixed Numbers
1. Adding Fractions with Like Denominators
2. Subtracting Fractions with Like Denominators
3. Adding and Subtracting Fractions with Unlike Denominators
4. Adding Mixed Numbers
5. Subtracting Mixed Numbers
6. Solving Word Problems
7. Practice Exercises
8. Challenge Exercises
9. Solutions

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