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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 598 · 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. 1.1/11 + 2/3 =
  2. 2.4/8 − 2/5 =
  3. 3.2/4 + 2/4 =
  4. 4.11/12 + 1/7 =
  5. 5.3/12 + 9/12 =
  6. 6.2/6 + 3/10 =
  7. 7.6/12 + 2/5 =
  8. 8.1/2 − 2/12 =
  9. 9.4/8 − 1/8 =
  10. 10.5/6 + 4/7 =
  11. 11.1/3 + 1/9 =
  12. 12.1/2 + 2/4 =
  13. 13.4/9 + 7/10 =
  14. 14.2/6 + 1/2 =
  15. 15.3/11 + 4/6 =
  16. 16.5/6 + 4/6 =
  17. 17.4/9 + 2/11 =
  18. 18.1/12 + 1/4 =
  19. 19.3/7 + 3/10 =
  20. 20.2/11 + 1/4 =
  21. 21.7/11 − 1/3 =
  22. 22.7/11 + 4/8 =
  23. 23.1/12 + 3/4 =
  24. 24.1/2 + 2/3 =
  25. 25.1/2 + 1/2 =
  26. 26.3/5 + 4/10 =
  27. 27.4/7 + 3/4 =
  28. 28.3/6 + 3/8 =
  29. 29.2/3 − 3/5 =
  30. 30.3/9 − 1/6 =
  31. 31.2/5 + 2/3 =
  32. 32.1/2 + 4/6 =
  33. 33.5/8 + 10/11 =
  34. 34.10/11 + 2/8 =
  35. 35.4/7 + 2/6 =
  36. 36.2/3 + 2/10 =
  37. 37.3/6 + 1/4 =
  38. 38.6/7 − 3/9 =
  39. 39.1/6 + 1/2 =
  40. 40.1/2 + 4/5 =

Answer key

  1. 25/33
  2. 1/10
  3. 1
  4. 89/84
  5. 1
  6. 19/30
  7. 9/10
  8. 1/3
  9. 3/8
  10. 59/42
  11. 4/9
  12. 1
  13. 103/90
  14. 5/6
  15. 31/33
  16. 3/2
  17. 62/99
  18. 1/3
  19. 51/70
  20. 19/44
  21. 10/33
  22. 25/22
  23. 5/6
  24. 7/6
  25. 1
  26. 1
  27. 37/28
  28. 7/8
  29. 1/15
  30. 1/6
  31. 16/15
  32. 7/6
  33. 135/88
  34. 51/44
  35. 19/21
  36. 13/15
  37. 3/4
  38. 11/21
  39. 2/3
  40. 13/10

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