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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 81 · 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. 1.5/12 + 1/6 =
  2. 2.4/12 + 9/12 =
  3. 3.6/11 + 3/4 =
  4. 4.1/2 + 1/2 =
  5. 5.7/11 − 1/5 =
  6. 6.1/4 + 3/4 =
  7. 7.6/8 − 2/3 =
  8. 8.3/7 + 1/7 =
  9. 9.5/7 − 3/10 =
  10. 10.5/6 − 2/9 =
  11. 11.3/5 + 4/5 =
  12. 12.1/11 + 8/9 =
  13. 13.9/12 − 1/4 =
  14. 14.7/12 + 3/8 =
  15. 15.1/3 + 2/3 =
  16. 16.7/12 − 1/2 =
  17. 17.1/2 + 5/9 =
  18. 18.8/9 − 2/5 =
  19. 19.1/6 + 1/6 =
  20. 20.8/9 + 5/6 =
  21. 21.2/6 − 2/7 =
  22. 22.6/9 − 4/8 =
  23. 23.4/12 + 2/4 =
  24. 24.10/12 − 2/9 =
  25. 25.10/11 − 2/6 =
  26. 26.7/11 + 1/3 =
  27. 27.7/12 + 8/11 =
  28. 28.2/3 + 3/6 =
  29. 29.2/3 + 9/10 =
  30. 30.6/11 + 1/3 =
  31. 31.4/9 + 2/6 =
  32. 32.2/4 + 2/4 =
  33. 33.1/2 − 1/3 =
  34. 34.6/7 − 3/7 =
  35. 35.1/2 − 3/7 =
  36. 36.2/3 + 2/3 =
  37. 37.2/3 + 1/4 =
  38. 38.4/5 + 1/3 =
  39. 39.2/6 + 2/3 =
  40. 40.6/9 + 2/4 =

Answer key

  1. 7/12
  2. 13/12
  3. 57/44
  4. 1
  5. 24/55
  6. 1
  7. 1/12
  8. 4/7
  9. 29/70
  10. 11/18
  11. 7/5
  12. 97/99
  13. 1/2
  14. 23/24
  15. 1
  16. 1/12
  17. 19/18
  18. 22/45
  19. 1/3
  20. 31/18
  21. 1/21
  22. 1/6
  23. 5/6
  24. 11/18
  25. 19/33
  26. 32/33
  27. 173/132
  28. 7/6
  29. 47/30
  30. 29/33
  31. 7/9
  32. 1
  33. 1/6
  34. 3/7
  35. 1/14
  36. 4/3
  37. 11/12
  38. 17/15
  39. 1
  40. 7/6

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