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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 46 · 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. 1.1/6 + 4/8 =
  2. 2.3/7 + 2/5 =
  3. 3.8/12 + 2/3 =
  4. 4.1/2 + 2/3 =
  5. 5.2/4 + 4/9 =
  6. 6.2/8 + 5/12 =
  7. 7.4/7 + 11/12 =
  8. 8.3/7 − 1/5 =
  9. 9.2/10 + 4/5 =
  10. 10.7/9 + 3/4 =
  11. 11.1/6 + 5/7 =
  12. 12.9/11 − 1/2 =
  13. 13.11/12 + 8/11 =
  14. 14.4/8 + 8/12 =
  15. 15.1/3 − 2/10 =
  16. 16.2/8 − 1/6 =
  17. 17.2/4 + 6/7 =
  18. 18.2/6 + 7/10 =
  19. 19.2/3 + 2/3 =
  20. 20.2/3 + 2/4 =
  21. 21.6/10 − 3/11 =
  22. 22.7/8 + 4/6 =
  23. 23.5/10 + 8/11 =
  24. 24.2/4 − 1/4 =
  25. 25.7/8 + 1/11 =
  26. 26.1/10 + 1/2 =
  27. 27.3/7 + 1/8 =
  28. 28.1/5 + 1/2 =
  29. 29.5/6 + 2/5 =
  30. 30.7/12 − 1/3 =
  31. 31.8/10 + 2/11 =
  32. 32.8/12 − 2/12 =
  33. 33.1/3 + 3/5 =
  34. 34.1/2 + 1/9 =
  35. 35.8/10 + 2/12 =
  36. 36.3/6 + 2/3 =
  37. 37.1/3 + 2/12 =
  38. 38.1/2 + 3/12 =
  39. 39.6/10 − 2/9 =
  40. 40.2/11 + 2/3 =

Answer key

  1. 2/3
  2. 29/35
  3. 4/3
  4. 7/6
  5. 17/18
  6. 2/3
  7. 125/84
  8. 8/35
  9. 1
  10. 55/36
  11. 37/42
  12. 7/22
  13. 217/132
  14. 7/6
  15. 2/15
  16. 1/12
  17. 19/14
  18. 31/30
  19. 4/3
  20. 7/6
  21. 18/55
  22. 37/24
  23. 27/22
  24. 1/4
  25. 85/88
  26. 3/5
  27. 31/56
  28. 7/10
  29. 37/30
  30. 1/4
  31. 54/55
  32. 1/2
  33. 14/15
  34. 11/18
  35. 29/30
  36. 7/6
  37. 1/2
  38. 3/4
  39. 17/45
  40. 28/33

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