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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 32 · 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. 1.2/11 + 5/9 =
  2. 2.5/8 − 2/11 =
  3. 3.8/9 − 3/12 =
  4. 4.1/2 − 1/3 =
  5. 5.3/4 − 5/8 =
  6. 6.5/7 + 1/4 =
  7. 7.1/10 + 4/11 =
  8. 8.1/2 + 1/3 =
  9. 9.2/6 + 1/4 =
  10. 10.1/3 − 1/6 =
  11. 11.1/2 − 1/3 =
  12. 12.5/7 + 1/2 =
  13. 13.7/8 + 3/5 =
  14. 14.2/3 + 1/2 =
  15. 15.1/7 + 8/10 =
  16. 16.2/3 − 6/10 =
  17. 17.6/7 − 2/4 =
  18. 18.2/7 + 9/10 =
  19. 19.2/5 − 1/11 =
  20. 20.2/3 + 1/4 =
  21. 21.1/11 + 4/9 =
  22. 22.2/4 + 1/6 =
  23. 23.4/6 − 1/3 =
  24. 24.11/12 + 1/3 =
  25. 25.4/6 − 1/3 =
  26. 26.1/8 + 1/2 =
  27. 27.1/3 + 6/11 =
  28. 28.4/10 + 2/3 =
  29. 29.1/5 − 1/6 =
  30. 30.5/8 + 1/2 =
  31. 31.2/8 + 7/9 =
  32. 32.1/2 − 1/3 =
  33. 33.6/8 − 4/7 =
  34. 34.6/11 + 3/6 =
  35. 35.3/4 − 1/5 =
  36. 36.1/3 + 7/10 =
  37. 37.1/4 + 7/8 =
  38. 38.1/4 + 6/8 =
  39. 39.2/3 + 1/11 =
  40. 40.3/9 + 4/7 =

Answer key

  1. 73/99
  2. 39/88
  3. 23/36
  4. 1/6
  5. 1/8
  6. 27/28
  7. 51/110
  8. 5/6
  9. 7/12
  10. 1/6
  11. 1/6
  12. 17/14
  13. 59/40
  14. 7/6
  15. 33/35
  16. 1/15
  17. 5/14
  18. 83/70
  19. 17/55
  20. 11/12
  21. 53/99
  22. 2/3
  23. 1/3
  24. 5/4
  25. 1/3
  26. 5/8
  27. 29/33
  28. 16/15
  29. 1/30
  30. 9/8
  31. 37/36
  32. 1/6
  33. 5/28
  34. 23/22
  35. 11/20
  36. 31/30
  37. 9/8
  38. 1
  39. 25/33
  40. 19/21

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