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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 105 · 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. 1.2/11 + 8/12 =
  2. 2.1/2 − 2/10 =
  3. 3.5/8 + 1/2 =
  4. 4.4/11 − 2/10 =
  5. 5.2/4 + 3/9 =
  6. 6.1/2 + 5/8 =
  7. 7.1/2 + 2/7 =
  8. 8.3/7 + 2/3 =
  9. 9.1/2 − 2/5 =
  10. 10.9/10 − 4/8 =
  11. 11.1/4 + 3/5 =
  12. 12.5/6 − 3/6 =
  13. 13.2/3 + 3/6 =
  14. 14.5/6 + 1/4 =
  15. 15.1/2 + 1/6 =
  16. 16.2/4 − 3/9 =
  17. 17.5/9 + 6/11 =
  18. 18.1/3 + 3/4 =
  19. 19.2/3 − 5/8 =
  20. 20.1/2 − 1/10 =
  21. 21.6/8 + 3/4 =
  22. 22.1/2 + 1/2 =
  23. 23.7/11 − 6/12 =
  24. 24.2/6 − 3/10 =
  25. 25.2/9 + 4/10 =
  26. 26.5/7 + 7/11 =
  27. 27.1/2 + 6/8 =
  28. 28.4/7 − 4/12 =
  29. 29.2/3 + 5/7 =
  30. 30.6/8 − 5/8 =
  31. 31.2/8 + 7/12 =
  32. 32.6/10 + 8/10 =
  33. 33.8/9 + 1/11 =
  34. 34.4/7 + 8/10 =
  35. 35.2/4 − 2/6 =
  36. 36.4/9 + 2/8 =
  37. 37.1/2 − 3/9 =
  38. 38.2/5 − 1/8 =
  39. 39.3/8 − 1/3 =
  40. 40.4/12 + 4/7 =

Answer key

  1. 28/33
  2. 3/10
  3. 9/8
  4. 9/55
  5. 5/6
  6. 9/8
  7. 11/14
  8. 23/21
  9. 1/10
  10. 2/5
  11. 17/20
  12. 1/3
  13. 7/6
  14. 13/12
  15. 2/3
  16. 1/6
  17. 109/99
  18. 13/12
  19. 1/24
  20. 2/5
  21. 3/2
  22. 1
  23. 3/22
  24. 1/30
  25. 28/45
  26. 104/77
  27. 5/4
  28. 5/21
  29. 29/21
  30. 1/8
  31. 5/6
  32. 7/5
  33. 97/99
  34. 48/35
  35. 1/6
  36. 25/36
  37. 1/6
  38. 11/40
  39. 1/24
  40. 19/21

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