Adding and Subtracting Fractions with Unlike Denominators Worksheet Test

Answer the following questions. Show all your work.

Part 1: Adding Fractions

1. Add the following fractions: 3/4 + 2/5.

2. Add the following fractions: 7/8 + 1/3.

3. Add the following fractions: 5/6 + 3/10 + 1/12.

4. Add the following mixed numbers: 2 1/5 + 3 3/4.

5. Add the following mixed numbers: 4 2/3 + 6 1/2.

6. Add the following mixed numbers: 1 1/4 + 3 2/5 + 2 3/8.

Part 2: Subtracting Fractions

7. Subtract the following fractions: 4/5 – 1/3.

8. Subtract the following fractions: 7/8 – 2/5.

9. Subtract the following fractions: 4/9 – 2/3 – 1/6.

10. Subtract the following mixed numbers: 5 1/3 – 2 1/2.

11. Subtract the following mixed numbers: 7 1/2 – 3 2/3.

12. Subtract the following mixed numbers: 8 3/4 – 3 2/5 – 1 1/8.

Part 3: Adding and Subtracting Fractions

13. Add or subtract the following fractions: 4/7 + 2/3 – 1/5.

14. Add or subtract the following fractions: 3/4 – 1/3 + 5/6.

15. Add or subtract the following fractions: 2/5 + 1/3 – 3/10.

16. Add or subtract the following mixed numbers: 3 1/4 + 2 2/3 – 1 5/6.

17. Add or subtract the following mixed numbers: 5 3/4 – 2 1/2 + 1 1/3.

18. Add or subtract the following mixed numbers: 7 1/2 + 3 2/3 – 2 1/4.

Part 4: Challenge Questions

19. A recipe calls for 3/4 cup of milk and 1/3 cup of sugar. How much liquid is needed in total?

20. John has a piece of rope that is 5 1/2 feet long. He wants to cut it into pieces that are each 3/4 foot long. How many pieces will he get?

21. A farmer has 3 3/4 acres of land. He wants to divide it into plots of 1/2 acre each. How many plots will he have?

22. A pizza has 8 slices. If 3/4 of the pizza is left, how many slices are left?

23. A recipe calls for 1 1/2 cups of flour. If you only have 3/4 cup of flour, how much more do you need?

24. A recipe calls for 2/3 cup of oil. If you want to make half the recipe, how much oil do you need?

End of the worksheet test. Good luck!