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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 995 · 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 + 4/12 =
  2. 2.2/8 − 1/6 =
  3. 3.8/11 − 1/7 =
  4. 4.7/8 − 1/6 =
  5. 5.2/3 − 4/11 =
  6. 6.2/7 + 2/7 =
  7. 7.1/2 − 1/11 =
  8. 8.1/10 + 5/8 =
  9. 9.8/10 − 1/2 =
  10. 10.1/3 + 3/9 =
  11. 11.2/4 − 2/7 =
  12. 12.3/12 + 2/5 =
  13. 13.3/5 + 3/8 =
  14. 14.10/12 + 1/2 =
  15. 15.4/8 + 8/11 =
  16. 16.7/12 − 1/7 =
  17. 17.8/11 + 1/2 =
  18. 18.2/6 + 3/11 =
  19. 19.1/8 + 2/8 =
  20. 20.4/7 + 5/6 =
  21. 21.1/3 + 5/9 =
  22. 22.6/7 − 4/10 =
  23. 23.2/3 − 1/2 =
  24. 24.1/2 − 3/10 =
  25. 25.5/6 + 1/5 =
  26. 26.4/7 + 2/4 =
  27. 27.1/2 − 1/12 =
  28. 28.6/7 + 1/7 =
  29. 29.4/7 + 1/3 =
  30. 30.8/9 + 1/2 =
  31. 31.8/10 − 1/12 =
  32. 32.1/2 + 4/7 =
  33. 33.2/3 − 1/4 =
  34. 34.5/11 + 4/6 =
  35. 35.1/3 − 3/11 =
  36. 36.1/2 + 5/9 =
  37. 37.2/7 + 11/12 =
  38. 38.2/10 + 2/8 =
  39. 39.2/6 + 3/4 =
  40. 40.5/8 − 1/9 =

Answer key

  1. 4/9
  2. 1/12
  3. 45/77
  4. 17/24
  5. 10/33
  6. 4/7
  7. 9/22
  8. 29/40
  9. 3/10
  10. 2/3
  11. 3/14
  12. 13/20
  13. 39/40
  14. 4/3
  15. 27/22
  16. 37/84
  17. 27/22
  18. 20/33
  19. 3/8
  20. 59/42
  21. 8/9
  22. 16/35
  23. 1/6
  24. 1/5
  25. 31/30
  26. 15/14
  27. 5/12
  28. 1
  29. 19/21
  30. 25/18
  31. 43/60
  32. 15/14
  33. 5/12
  34. 37/33
  35. 2/33
  36. 19/18
  37. 101/84
  38. 9/20
  39. 13/12
  40. 37/72

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