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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 243 · 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. 1.4/11 − 3/12 =
  2. 2.1/2 + 9/11 =
  3. 3.1/4 + 5/6 =
  4. 4.1/3 + 1/8 =
  5. 5.3/4 + 2/3 =
  6. 6.4/5 − 4/6 =
  7. 7.1/3 − 1/9 =
  8. 8.2/3 + 5/7 =
  9. 9.2/3 + 4/11 =
  10. 10.3/4 − 8/11 =
  11. 11.9/11 + 1/2 =
  12. 12.2/4 + 1/2 =
  13. 13.2/6 + 5/7 =
  14. 14.5/6 − 5/8 =
  15. 15.3/4 − 1/12 =
  16. 16.2/10 + 1/7 =
  17. 17.1/4 + 2/4 =
  18. 18.6/10 + 2/7 =
  19. 19.1/2 − 4/9 =
  20. 20.1/2 + 2/3 =
  21. 21.1/3 − 1/6 =
  22. 22.2/4 + 1/5 =
  23. 23.3/5 + 1/3 =
  24. 24.1/3 + 1/6 =
  25. 25.1/6 + 2/3 =
  26. 26.3/8 − 1/9 =
  27. 27.3/7 − 4/10 =
  28. 28.8/9 − 1/2 =
  29. 29.1/2 + 2/10 =
  30. 30.4/9 + 5/6 =
  31. 31.5/6 − 1/2 =
  32. 32.10/11 + 3/8 =
  33. 33.3/8 + 9/12 =
  34. 34.5/6 − 1/9 =
  35. 35.5/7 + 8/12 =
  36. 36.4/5 + 9/10 =
  37. 37.2/3 + 7/8 =
  38. 38.2/3 − 1/4 =
  39. 39.1/9 + 4/8 =
  40. 40.5/6 − 2/3 =

Answer key

  1. 5/44
  2. 29/22
  3. 13/12
  4. 11/24
  5. 17/12
  6. 2/15
  7. 2/9
  8. 29/21
  9. 34/33
  10. 1/44
  11. 29/22
  12. 1
  13. 22/21
  14. 5/24
  15. 2/3
  16. 12/35
  17. 3/4
  18. 31/35
  19. 1/18
  20. 7/6
  21. 1/6
  22. 7/10
  23. 14/15
  24. 1/2
  25. 5/6
  26. 19/72
  27. 1/35
  28. 7/18
  29. 7/10
  30. 23/18
  31. 1/3
  32. 113/88
  33. 9/8
  34. 13/18
  35. 29/21
  36. 17/10
  37. 37/24
  38. 5/12
  39. 11/18
  40. 1/6

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