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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 34 · 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. 1.6/8 + 2/6 =
  2. 2.1/3 + 5/7 =
  3. 3.4/12 + 1/11 =
  4. 4.10/11 + 2/11 =
  5. 5.3/4 + 1/4 =
  6. 6.5/11 − 1/4 =
  7. 7.9/12 + 5/11 =
  8. 8.4/11 − 2/6 =
  9. 9.10/11 − 1/3 =
  10. 10.2/11 + 4/6 =
  11. 11.1/4 + 3/7 =
  12. 12.5/11 + 1/3 =
  13. 13.1/5 + 2/6 =
  14. 14.4/7 + 5/9 =
  15. 15.1/4 + 3/4 =
  16. 16.3/4 + 4/5 =
  17. 17.2/7 + 4/8 =
  18. 18.3/5 + 7/9 =
  19. 19.5/7 + 8/11 =
  20. 20.2/3 + 8/12 =
  21. 21.3/12 + 2/11 =
  22. 22.1/2 + 1/6 =
  23. 23.1/3 + 2/9 =
  24. 24.5/8 + 1/2 =
  25. 25.7/10 − 1/3 =
  26. 26.2/8 + 3/11 =
  27. 27.3/8 + 1/3 =
  28. 28.1/3 + 1/5 =
  29. 29.3/6 + 1/2 =
  30. 30.1/2 + 8/10 =
  31. 31.6/12 − 1/3 =
  32. 32.3/5 + 1/11 =
  33. 33.6/9 + 4/5 =
  34. 34.3/7 − 1/3 =
  35. 35.5/9 + 2/4 =
  36. 36.1/3 + 1/6 =
  37. 37.3/11 − 1/11 =
  38. 38.5/9 + 3/5 =
  39. 39.5/6 + 7/12 =
  40. 40.1/7 + 3/5 =

Answer key

  1. 13/12
  2. 22/21
  3. 14/33
  4. 12/11
  5. 1
  6. 9/44
  7. 53/44
  8. 1/33
  9. 19/33
  10. 28/33
  11. 19/28
  12. 26/33
  13. 8/15
  14. 71/63
  15. 1
  16. 31/20
  17. 11/14
  18. 62/45
  19. 111/77
  20. 4/3
  21. 19/44
  22. 2/3
  23. 5/9
  24. 9/8
  25. 11/30
  26. 23/44
  27. 17/24
  28. 8/15
  29. 1
  30. 13/10
  31. 1/6
  32. 38/55
  33. 22/15
  34. 2/21
  35. 19/18
  36. 1/2
  37. 2/11
  38. 52/45
  39. 17/12
  40. 26/35

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