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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 221 · 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. 1.10/11 + 2/6 =
  2. 2.2/3 − 1/2 =
  3. 3.4/5 − 2/8 =
  4. 4.1/11 + 9/12 =
  5. 5.5/7 − 2/12 =
  6. 6.6/12 + 2/3 =
  7. 7.4/6 + 4/10 =
  8. 8.1/2 + 2/12 =
  9. 9.2/11 + 3/7 =
  10. 10.3/4 + 1/2 =
  11. 11.4/5 − 3/10 =
  12. 12.7/8 − 2/7 =
  13. 13.5/9 + 2/3 =
  14. 14.2/8 + 1/4 =
  15. 15.2/3 − 3/12 =
  16. 16.2/11 + 2/3 =
  17. 17.5/10 + 2/4 =
  18. 18.4/11 − 2/8 =
  19. 19.3/4 + 1/3 =
  20. 20.1/3 + 1/9 =
  21. 21.6/12 + 4/12 =
  22. 22.2/3 + 3/7 =
  23. 23.11/12 + 2/5 =
  24. 24.6/10 − 5/9 =
  25. 25.3/4 − 2/4 =
  26. 26.7/10 − 2/7 =
  27. 27.3/7 − 3/9 =
  28. 28.3/8 − 1/4 =
  29. 29.9/11 − 2/3 =
  30. 30.10/12 + 3/5 =
  31. 31.1/3 + 3/6 =
  32. 32.4/8 − 2/6 =
  33. 33.2/4 + 7/11 =
  34. 34.6/8 + 6/7 =
  35. 35.4/11 + 1/3 =
  36. 36.4/7 + 1/2 =
  37. 37.5/7 − 1/11 =
  38. 38.1/5 + 7/11 =
  39. 39.9/10 − 1/3 =
  40. 40.6/11 − 1/11 =

Answer key

  1. 41/33
  2. 1/6
  3. 11/20
  4. 37/44
  5. 23/42
  6. 7/6
  7. 16/15
  8. 2/3
  9. 47/77
  10. 5/4
  11. 1/2
  12. 33/56
  13. 11/9
  14. 1/2
  15. 5/12
  16. 28/33
  17. 1
  18. 5/44
  19. 13/12
  20. 4/9
  21. 5/6
  22. 23/21
  23. 79/60
  24. 2/45
  25. 1/4
  26. 29/70
  27. 2/21
  28. 1/8
  29. 5/33
  30. 43/30
  31. 5/6
  32. 1/6
  33. 25/22
  34. 45/28
  35. 23/33
  36. 15/14
  37. 48/77
  38. 46/55
  39. 17/30
  40. 5/11

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