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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 787 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.7/9 + 1/2 =
  2. 2.8/11 + 3/6 =
  3. 3.2/3 − 2/10 =
  4. 4.1/5 − 1/6 =
  5. 5.3/5 + 5/6 =
  6. 6.6/10 − 4/10 =
  7. 7.2/11 − 1/9 =
  8. 8.6/8 + 7/11 =
  9. 9.3/4 + 1/2 =
  10. 10.2/4 − 5/11 =
  11. 11.1/2 + 6/7 =
  12. 12.1/4 + 1/4 =
  13. 13.4/5 − 3/4 =
  14. 14.1/7 + 1/6 =
  15. 15.6/12 + 3/6 =
  16. 16.9/11 − 4/12 =
  17. 17.2/8 + 1/4 =
  18. 18.1/2 + 3/11 =
  19. 19.4/12 + 1/2 =
  20. 20.2/3 − 1/2 =
  21. 21.1/2 − 2/6 =
  22. 22.10/11 − 3/9 =
  23. 23.3/4 + 5/6 =
  24. 24.1/2 + 2/9 =
  25. 25.7/12 − 2/11 =
  26. 26.3/12 + 1/9 =
  27. 27.1/2 − 1/4 =
  28. 28.6/8 − 1/7 =
  29. 29.4/6 − 1/4 =
  30. 30.3/11 + 1/2 =
  31. 31.6/9 + 5/11 =
  32. 32.1/5 + 2/7 =
  33. 33.6/8 + 2/4 =
  34. 34.3/11 + 9/10 =
  35. 35.1/4 + 1/11 =
  36. 36.4/8 − 4/11 =
  37. 37.8/9 − 2/4 =
  38. 38.1/12 + 7/8 =
  39. 39.9/10 − 4/5 =
  40. 40.4/6 + 1/5 =

Answer key

  1. 23/18
  2. 27/22
  3. 7/15
  4. 1/30
  5. 43/30
  6. 1/5
  7. 7/99
  8. 61/44
  9. 5/4
  10. 1/22
  11. 19/14
  12. 1/2
  13. 1/20
  14. 13/42
  15. 1
  16. 16/33
  17. 1/2
  18. 17/22
  19. 5/6
  20. 1/6
  21. 1/6
  22. 19/33
  23. 19/12
  24. 13/18
  25. 53/132
  26. 13/36
  27. 1/4
  28. 17/28
  29. 5/12
  30. 17/22
  31. 37/33
  32. 17/35
  33. 5/4
  34. 129/110
  35. 15/44
  36. 3/22
  37. 7/18
  38. 23/24
  39. 1/10
  40. 13/15

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