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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 36 · 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. 1.1/5 + 3/12 =
  2. 2.3/5 − 4/9 =
  3. 3.11/12 − 2/7 =
  4. 4.2/3 + 4/6 =
  5. 5.1/2 − 1/3 =
  6. 6.2/7 + 1/4 =
  7. 7.6/11 + 3/4 =
  8. 8.6/11 − 2/8 =
  9. 9.2/3 + 2/3 =
  10. 10.2/3 − 1/2 =
  11. 11.4/8 − 5/12 =
  12. 12.1/2 − 3/10 =
  13. 13.5/9 − 2/9 =
  14. 14.1/11 + 2/12 =
  15. 15.5/8 + 2/7 =
  16. 16.5/11 + 2/6 =
  17. 17.2/6 + 1/4 =
  18. 18.2/6 + 4/5 =
  19. 19.6/10 − 1/5 =
  20. 20.2/6 + 7/8 =
  21. 21.1/2 − 1/4 =
  22. 22.1/5 + 2/6 =
  23. 23.5/6 − 9/12 =
  24. 24.3/6 + 4/6 =
  25. 25.2/3 + 1/8 =
  26. 26.2/5 − 1/5 =
  27. 27.1/4 + 7/11 =
  28. 28.2/3 − 1/7 =
  29. 29.2/3 − 1/11 =
  30. 30.1/2 + 1/7 =
  31. 31.1/2 − 1/3 =
  32. 32.2/3 + 3/5 =
  33. 33.4/11 + 2/5 =
  34. 34.3/4 + 2/8 =
  35. 35.1/8 + 1/5 =
  36. 36.8/10 − 2/9 =
  37. 37.7/10 − 4/6 =
  38. 38.3/10 + 3/4 =
  39. 39.2/7 + 3/4 =
  40. 40.4/11 + 2/3 =

Answer key

  1. 9/20
  2. 7/45
  3. 53/84
  4. 4/3
  5. 1/6
  6. 15/28
  7. 57/44
  8. 13/44
  9. 4/3
  10. 1/6
  11. 1/12
  12. 1/5
  13. 1/3
  14. 17/66
  15. 51/56
  16. 26/33
  17. 7/12
  18. 17/15
  19. 2/5
  20. 29/24
  21. 1/4
  22. 8/15
  23. 1/12
  24. 7/6
  25. 19/24
  26. 1/5
  27. 39/44
  28. 11/21
  29. 19/33
  30. 9/14
  31. 1/6
  32. 19/15
  33. 42/55
  34. 1
  35. 13/40
  36. 26/45
  37. 1/30
  38. 21/20
  39. 29/28
  40. 34/33

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