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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 701 · 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. 1.1/9 + 2/3 =
  2. 2.3/8 + 6/12 =
  3. 3.2/6 + 2/11 =
  4. 4.1/2 + 5/8 =
  5. 5.5/6 + 6/11 =
  6. 6.2/5 + 6/7 =
  7. 7.3/7 − 3/11 =
  8. 8.2/3 − 1/3 =
  9. 9.4/10 + 2/4 =
  10. 10.3/4 + 1/3 =
  11. 11.2/6 + 5/11 =
  12. 12.9/12 − 3/8 =
  13. 13.1/2 + 1/2 =
  14. 14.5/7 − 1/7 =
  15. 15.1/2 + 3/9 =
  16. 16.1/3 + 3/4 =
  17. 17.4/5 − 1/3 =
  18. 18.2/4 − 1/3 =
  19. 19.1/3 + 10/12 =
  20. 20.5/6 + 3/5 =
  21. 21.1/5 + 1/2 =
  22. 22.3/6 + 2/3 =
  23. 23.7/10 + 7/8 =
  24. 24.2/3 + 5/6 =
  25. 25.1/7 + 10/12 =
  26. 26.8/9 − 5/6 =
  27. 27.2/10 + 1/8 =
  28. 28.7/8 − 8/12 =
  29. 29.7/10 + 2/4 =
  30. 30.3/4 + 3/8 =
  31. 31.2/9 + 2/5 =
  32. 32.2/4 + 3/5 =
  33. 33.1/4 + 8/11 =
  34. 34.8/9 + 9/10 =
  35. 35.2/10 + 2/3 =
  36. 36.1/2 − 2/5 =
  37. 37.7/12 − 1/8 =
  38. 38.1/4 + 3/8 =
  39. 39.1/3 − 1/5 =
  40. 40.2/3 − 1/2 =

Answer key

  1. 7/9
  2. 7/8
  3. 17/33
  4. 9/8
  5. 91/66
  6. 44/35
  7. 12/77
  8. 1/3
  9. 9/10
  10. 13/12
  11. 26/33
  12. 3/8
  13. 1
  14. 4/7
  15. 5/6
  16. 13/12
  17. 7/15
  18. 1/6
  19. 7/6
  20. 43/30
  21. 7/10
  22. 7/6
  23. 63/40
  24. 3/2
  25. 41/42
  26. 1/18
  27. 13/40
  28. 5/24
  29. 6/5
  30. 9/8
  31. 28/45
  32. 11/10
  33. 43/44
  34. 161/90
  35. 13/15
  36. 1/10
  37. 11/24
  38. 5/8
  39. 2/15
  40. 1/6

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