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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 631 · 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. 1.3/9 + 1/6 =
  2. 2.5/7 − 1/2 =
  3. 3.6/8 − 3/7 =
  4. 4.1/3 − 1/5 =
  5. 5.3/11 − 1/5 =
  6. 6.7/8 − 1/5 =
  7. 7.1/4 + 5/10 =
  8. 8.2/9 + 1/2 =
  9. 9.8/9 + 2/5 =
  10. 10.1/6 + 8/9 =
  11. 11.3/5 − 1/3 =
  12. 12.1/3 + 2/3 =
  13. 13.1/2 + 1/8 =
  14. 14.3/9 + 1/6 =
  15. 15.4/8 + 2/6 =
  16. 16.1/8 + 1/2 =
  17. 17.3/6 + 5/7 =
  18. 18.5/6 − 3/12 =
  19. 19.5/10 − 2/5 =
  20. 20.2/3 + 11/12 =
  21. 21.1/2 − 1/5 =
  22. 22.10/11 + 1/2 =
  23. 23.1/2 + 1/7 =
  24. 24.9/11 + 1/3 =
  25. 25.5/10 + 2/9 =
  26. 26.2/6 + 4/7 =
  27. 27.4/5 + 2/3 =
  28. 28.1/5 + 1/5 =
  29. 29.4/9 − 1/10 =
  30. 30.3/11 + 1/4 =
  31. 31.1/6 + 8/11 =
  32. 32.1/3 + 5/8 =
  33. 33.3/4 + 7/8 =
  34. 34.8/11 − 5/11 =
  35. 35.7/8 + 1/10 =
  36. 36.6/7 − 2/6 =
  37. 37.3/5 − 2/5 =
  38. 38.5/12 + 2/3 =
  39. 39.6/9 − 1/9 =
  40. 40.5/11 + 2/5 =

Answer key

  1. 1/2
  2. 3/14
  3. 9/28
  4. 2/15
  5. 4/55
  6. 27/40
  7. 3/4
  8. 13/18
  9. 58/45
  10. 19/18
  11. 4/15
  12. 1
  13. 5/8
  14. 1/2
  15. 5/6
  16. 5/8
  17. 17/14
  18. 7/12
  19. 1/10
  20. 19/12
  21. 3/10
  22. 31/22
  23. 9/14
  24. 38/33
  25. 13/18
  26. 19/21
  27. 22/15
  28. 2/5
  29. 31/90
  30. 23/44
  31. 59/66
  32. 23/24
  33. 13/8
  34. 3/11
  35. 39/40
  36. 11/21
  37. 1/5
  38. 13/12
  39. 5/9
  40. 47/55

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