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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 70 · 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. 1.1/2 − 3/11 =
  2. 2.2/4 + 1/2 =
  3. 3.2/5 − 1/4 =
  4. 4.7/10 − 2/7 =
  5. 5.3/4 − 6/10 =
  6. 6.6/7 + 7/8 =
  7. 7.1/4 + 8/11 =
  8. 8.9/10 − 3/5 =
  9. 9.1/2 + 2/5 =
  10. 10.3/9 + 4/6 =
  11. 11.3/7 + 1/7 =
  12. 12.4/5 − 5/11 =
  13. 13.3/4 + 5/10 =
  14. 14.4/5 + 4/7 =
  15. 15.1/2 + 4/8 =
  16. 16.2/9 + 4/10 =
  17. 17.6/7 − 1/8 =
  18. 18.3/4 + 2/5 =
  19. 19.2/8 + 7/12 =
  20. 20.7/12 − 1/5 =
  21. 21.6/7 − 6/10 =
  22. 22.8/10 + 3/4 =
  23. 23.6/8 − 3/11 =
  24. 24.2/3 + 2/3 =
  25. 25.1/2 + 4/6 =
  26. 26.6/9 − 1/3 =
  27. 27.4/11 − 1/5 =
  28. 28.3/5 − 1/10 =
  29. 29.3/6 + 6/8 =
  30. 30.2/3 − 2/11 =
  31. 31.2/3 − 1/8 =
  32. 32.6/7 − 1/2 =
  33. 33.2/3 + 8/9 =
  34. 34.6/7 + 1/3 =
  35. 35.3/11 + 1/3 =
  36. 36.1/8 + 1/2 =
  37. 37.6/9 − 1/12 =
  38. 38.2/3 + 2/3 =
  39. 39.6/12 + 7/9 =
  40. 40.1/10 + 1/5 =

Answer key

  1. 5/22
  2. 1
  3. 3/20
  4. 29/70
  5. 3/20
  6. 97/56
  7. 43/44
  8. 3/10
  9. 9/10
  10. 1
  11. 4/7
  12. 19/55
  13. 5/4
  14. 48/35
  15. 1
  16. 28/45
  17. 41/56
  18. 23/20
  19. 5/6
  20. 23/60
  21. 9/35
  22. 31/20
  23. 21/44
  24. 4/3
  25. 7/6
  26. 1/3
  27. 9/55
  28. 1/2
  29. 5/4
  30. 16/33
  31. 13/24
  32. 5/14
  33. 14/9
  34. 25/21
  35. 20/33
  36. 5/8
  37. 7/12
  38. 4/3
  39. 23/18
  40. 3/10

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