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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 112 · 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. 1.2/3 + 4/11 =
  2. 2.1/6 + 5/8 =
  3. 3.3/8 + 8/10 =
  4. 4.1/12 + 1/9 =
  5. 5.1/3 − 1/6 =
  6. 6.3/10 + 4/5 =
  7. 7.2/5 − 2/11 =
  8. 8.7/10 + 2/7 =
  9. 9.1/9 + 1/6 =
  10. 10.8/9 + 2/4 =
  11. 11.2/4 + 7/9 =
  12. 12.5/12 − 1/3 =
  13. 13.1/2 + 2/7 =
  14. 14.7/10 + 6/8 =
  15. 15.1/4 + 11/12 =
  16. 16.5/9 + 2/9 =
  17. 17.4/5 − 1/3 =
  18. 18.4/5 + 3/8 =
  19. 19.1/2 − 2/8 =
  20. 20.2/5 − 4/11 =
  21. 21.2/5 + 5/12 =
  22. 22.5/7 − 2/3 =
  23. 23.7/8 − 2/4 =
  24. 24.5/12 + 2/3 =
  25. 25.3/4 − 1/3 =
  26. 26.4/5 − 6/11 =
  27. 27.2/10 + 1/5 =
  28. 28.9/11 + 1/4 =
  29. 29.4/7 + 5/7 =
  30. 30.5/6 + 1/6 =
  31. 31.3/11 + 1/10 =
  32. 32.1/2 + 1/2 =
  33. 33.1/5 + 1/10 =
  34. 34.10/11 + 10/11 =
  35. 35.1/7 + 9/10 =
  36. 36.3/4 + 9/12 =
  37. 37.3/12 + 1/8 =
  38. 38.2/4 + 4/6 =
  39. 39.7/12 − 1/4 =
  40. 40.6/9 − 1/11 =

Answer key

  1. 34/33
  2. 19/24
  3. 47/40
  4. 7/36
  5. 1/6
  6. 11/10
  7. 12/55
  8. 69/70
  9. 5/18
  10. 25/18
  11. 23/18
  12. 1/12
  13. 11/14
  14. 29/20
  15. 7/6
  16. 7/9
  17. 7/15
  18. 47/40
  19. 1/4
  20. 2/55
  21. 49/60
  22. 1/21
  23. 3/8
  24. 13/12
  25. 5/12
  26. 14/55
  27. 2/5
  28. 47/44
  29. 9/7
  30. 1
  31. 41/110
  32. 1
  33. 3/10
  34. 20/11
  35. 73/70
  36. 3/2
  37. 3/8
  38. 7/6
  39. 1/3
  40. 19/33

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