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Celeste International School

Grade 3 · Worksheet

More addition & subtraction

Adding & subtracting fractions

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    A cake is cut into 5 equal pieces. 2 pieces are eaten. What fraction of the cake is left?

    1. A2/5
    2. B3/5
    3. C5/5
    4. D3/10
  2. 2.

    What is 7/10 + 3/10?

    1. A10/20
    2. B10/10 (which is 1)
    3. C4/10
    4. D21/10
  3. 3.

    3/4 + ?/4 = 1. What is the missing numerator?

  4. 4.

    What is 3/5 + 1/5?

    1. A4/10
    2. B4/5
    3. C2/5
    4. D3/5
  5. 5.

    What is 5/6 − 2/6?

    1. A3/6
    2. B7/6
    3. C3/12
    4. D3/0
  6. 6.

    A chef serves 3/8 of an apple pie. What fraction of the pie is left?

    1. A3/8
    2. B5/8
    3. C8/8
    4. D5/16
  7. 7.

    What is 5/9 + 4/9?

    1. A9/18
    2. B9/9 (which is 1)
    3. C1/9
    4. D20/9
  8. 8.

    What is 5/9 + 5/9?

    1. A10/18
    2. B10/9
    3. C1/9
    4. D25/9
  9. 9.

    Why is 10/9 an improper fraction?

    1. AThe numerator is greater than the denominator
    2. BThe numerator is smaller than the denominator
    3. CIt equals exactly 1
    4. DIt has a denominator of 9
  10. 10.

    What is 7/8 − 3/8?

    1. A4/8
    2. B10/8
    3. C4/16
    4. D4/0
  11. 11.

    3/8 + 4/8 = ?/8. What is the numerator of the answer?

  12. 12.

    Which pair of fractions adds up to 1?

    1. A2/10 and 7/10
    2. B3/10 and 7/10
    3. C4/10 and 7/10
    4. D5/10 and 7/10
  13. 13.

    What is 1 − 3/5?

    1. A3/5
    2. B2/5
    3. C1/5
    4. D4/5
  14. 14.

    What is 1 − 4/6?

    1. A4/6
    2. B1/6
    3. C2/6
    4. D3/6
  15. 15.

    What is 4/12 + 5/12?

    1. A9/24
    2. B9/12
    3. C1/12
    4. D20/12
  16. 16.

    To add fractions with the same denominator, you add the numerators and keep the denominator the same.

    True False
  17. 17.

    4/6 + 4/6 = 8/12.

    True False
  18. 18.

    Yuri wrote 4/6 + 4/6 = 8/12. What is the correct answer?

    1. A8/12
    2. B8/6
    3. C16/6
    4. D4/6
  19. 19.

    6/8 + 2/8 = 1.

    True False
  20. 20.

    9/9 is the same as…

    1. A0
    2. B1 whole
    3. C9
    4. D1/2
Celeste International School

Answer key

More addition & subtraction — Adding & subtracting fractions

  1. 1.B. 3/5
  2. 2.B. 10/10 (which is 1)
  3. 3.1
  4. 4.B. 4/5
  5. 5.A. 3/6
  6. 6.B. 5/8
  7. 7.B. 9/9 (which is 1)
  8. 8.B. 10/9
  9. 9.A. The numerator is greater than the denominator
  10. 10.A. 4/8
  11. 11.7
  12. 12.B. 3/10 and 7/10
  13. 13.B. 2/5
  14. 14.C. 2/6
  15. 15.B. 9/12
  16. 16.True
  17. 17.False
  18. 18.B. 8/6
  19. 19.True
  20. 20.B. 1 whole