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Fractions worksheet

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Fractions practice

Awkward denominators · advanced
Name Date

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  1. 1. 2/7 − 6/9 =
  2. 2. 9/11 − (-6/9) =
  3. 3. -2/7 + (-1/11) =
  4. 4. -7/9 + 8/11 =
  5. 5. -3/13 − 6/9 =
  6. 6. -1/9 + (-3/11) =
  7. 7. -3/9 + 3/13 =
  8. 8. -5/11 − (-8/9) =
  9. 9. -10/11 + 1/7 =
  10. 10. 7/9 + 12/13 =
  11. 11. 6/7 + 10/11 =
  12. 12. -1/7 + 6/13 =
  13. 13. -1/9 + 3/11 =
  14. 14. 3/11 + (-3/7) =
  15. 15. -1/11 − 8/13 =
  16. 16. 7/11 − 12/13 =
  17. 17. 3/7 − 5/9 =
  18. 18. 3/7 − (-5/9) =
  19. 19. 2/7 + (-11/13) =
  20. 20. -9/13 + (-2/11) =
  21. 21. 5/13 − 4/7 =
  22. 22. -7/11 + 4/7 =
  23. 23. 5/11 + (-1/7) =
  24. 24. -10/11 + 5/7 =
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Fractions practice

Awkward denominators · advanced
Name Date
Answer key
  1. 1. 2/7 − 6/9 = -8/21
  2. 2. 9/11 − (-6/9) = 49/33
  3. 3. -2/7 + (-1/11) = -29/77
  4. 4. -7/9 + 8/11 = -5/99
  5. 5. -3/13 − 6/9 = -35/39
  6. 6. -1/9 + (-3/11) = -38/99
  7. 7. -3/9 + 3/13 = -4/39
  8. 8. -5/11 − (-8/9) = 43/99
  9. 9. -10/11 + 1/7 = -59/77
  10. 10. 7/9 + 12/13 = 199/117
  11. 11. 6/7 + 10/11 = 136/77
  12. 12. -1/7 + 6/13 = 29/91
  13. 13. -1/9 + 3/11 = 16/99
  14. 14. 3/11 + (-3/7) = -12/77
  15. 15. -1/11 − 8/13 = -101/143
  16. 16. 7/11 − 12/13 = -41/143
  17. 17. 3/7 − 5/9 = -8/63
  18. 18. 3/7 − (-5/9) = 62/63
  19. 19. 2/7 + (-11/13) = -51/91
  20. 20. -9/13 + (-2/11) = -125/143
  21. 21. 5/13 − 4/7 = -17/91
  22. 22. -7/11 + 4/7 = -5/77
  23. 23. 5/11 + (-1/7) = 24/77
  24. 24. -10/11 + 5/7 = -15/77
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Standards this covers

  • 5.NF.A.1
  • 5.NF.B.4
  • 6.NS.A.1

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