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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 332 · 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. 1.1/3 − 2/7 =
  2. 2.8/12 + 6/11 =
  3. 3.2/4 + 3/9 =
  4. 4.1/5 + 8/11 =
  5. 5.6/10 + 6/10 =
  6. 6.1/3 + 1/4 =
  7. 7.10/11 − 1/2 =
  8. 8.1/3 + 2/6 =
  9. 9.1/6 + 1/4 =
  10. 10.6/7 − 1/2 =
  11. 11.8/11 − 3/11 =
  12. 12.8/9 + 2/4 =
  13. 13.1/6 − 1/10 =
  14. 14.1/2 − 3/8 =
  15. 15.3/5 − 4/11 =
  16. 16.1/2 + 7/12 =
  17. 17.7/11 + 5/11 =
  18. 18.8/10 + 2/3 =
  19. 19.1/2 − 3/12 =
  20. 20.1/3 + 6/8 =
  21. 21.1/10 + 1/4 =
  22. 22.7/12 + 2/12 =
  23. 23.6/7 + 3/10 =
  24. 24.11/12 − 4/9 =
  25. 25.5/6 − 4/7 =
  26. 26.6/12 + 2/9 =
  27. 27.2/9 + 7/11 =
  28. 28.3/4 − 4/11 =
  29. 29.2/3 − 2/10 =
  30. 30.8/9 − 1/3 =
  31. 31.2/5 + 8/12 =
  32. 32.2/4 + 3/4 =
  33. 33.3/5 − 1/8 =
  34. 34.4/7 − 3/7 =
  35. 35.1/4 + 1/2 =
  36. 36.1/2 + 1/2 =
  37. 37.3/11 + 1/9 =
  38. 38.2/3 + 5/10 =
  39. 39.1/2 − 3/9 =
  40. 40.5/7 − 3/5 =

Answer key

  1. 1/21
  2. 40/33
  3. 5/6
  4. 51/55
  5. 6/5
  6. 7/12
  7. 9/22
  8. 2/3
  9. 5/12
  10. 5/14
  11. 5/11
  12. 25/18
  13. 1/15
  14. 1/8
  15. 13/55
  16. 13/12
  17. 12/11
  18. 22/15
  19. 1/4
  20. 13/12
  21. 7/20
  22. 3/4
  23. 81/70
  24. 17/36
  25. 11/42
  26. 13/18
  27. 85/99
  28. 17/44
  29. 7/15
  30. 5/9
  31. 16/15
  32. 5/4
  33. 19/40
  34. 1/7
  35. 3/4
  36. 1
  37. 38/99
  38. 7/6
  39. 1/6
  40. 4/35

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