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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 725 · 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. 1.7/10 − 1/2 =
  2. 2.1/10 + 1/3 =
  3. 3.1/4 + 1/4 =
  4. 4.3/6 − 1/12 =
  5. 5.3/12 + 1/11 =
  6. 6.7/9 + 1/5 =
  7. 7.4/12 + 2/11 =
  8. 8.1/3 + 1/4 =
  9. 9.1/4 − 1/12 =
  10. 10.3/4 − 4/12 =
  11. 11.3/4 − 2/7 =
  12. 12.6/9 + 1/2 =
  13. 13.6/7 − 2/4 =
  14. 14.2/5 + 2/3 =
  15. 15.1/4 + 4/6 =
  16. 16.3/12 + 4/7 =
  17. 17.1/9 + 3/6 =
  18. 18.4/6 − 6/10 =
  19. 19.4/6 + 4/7 =
  20. 20.2/3 − 1/2 =
  21. 21.2/3 − 2/5 =
  22. 22.2/5 + 3/7 =
  23. 23.2/6 + 2/5 =
  24. 24.1/3 + 5/12 =
  25. 25.2/11 + 2/9 =
  26. 26.4/7 − 1/2 =
  27. 27.2/8 + 2/3 =
  28. 28.2/5 + 1/12 =
  29. 29.2/8 + 7/10 =
  30. 30.1/2 + 4/8 =
  31. 31.1/12 + 1/2 =
  32. 32.2/8 − 2/10 =
  33. 33.1/2 + 5/6 =
  34. 34.3/5 + 1/2 =
  35. 35.3/4 + 10/11 =
  36. 36.7/9 + 3/8 =
  37. 37.3/6 + 2/7 =
  38. 38.3/4 + 4/9 =
  39. 39.2/6 + 4/11 =
  40. 40.6/11 + 9/11 =

Answer key

  1. 1/5
  2. 13/30
  3. 1/2
  4. 5/12
  5. 15/44
  6. 44/45
  7. 17/33
  8. 7/12
  9. 1/6
  10. 5/12
  11. 13/28
  12. 7/6
  13. 5/14
  14. 16/15
  15. 11/12
  16. 23/28
  17. 11/18
  18. 1/15
  19. 26/21
  20. 1/6
  21. 4/15
  22. 29/35
  23. 11/15
  24. 3/4
  25. 40/99
  26. 1/14
  27. 11/12
  28. 29/60
  29. 19/20
  30. 1
  31. 7/12
  32. 1/20
  33. 4/3
  34. 11/10
  35. 73/44
  36. 83/72
  37. 11/14
  38. 43/36
  39. 23/33
  40. 15/11

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