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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 367 · 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. 1.3/5 + 8/9 =
  2. 2.2/7 + 2/4 =
  3. 3.1/3 + 5/9 =
  4. 4.4/5 + 1/2 =
  5. 5.6/11 − 1/4 =
  6. 6.9/12 − 2/4 =
  7. 7.2/5 + 5/11 =
  8. 8.7/10 + 7/10 =
  9. 9.2/3 + 2/5 =
  10. 10.1/2 + 3/4 =
  11. 11.3/7 + 1/3 =
  12. 12.2/4 − 4/9 =
  13. 13.1/3 − 2/7 =
  14. 14.9/12 + 1/5 =
  15. 15.8/11 + 2/9 =
  16. 16.3/11 + 1/3 =
  17. 17.7/10 + 4/10 =
  18. 18.1/4 + 1/2 =
  19. 19.2/6 − 1/9 =
  20. 20.6/7 − 4/7 =
  21. 21.1/3 + 1/3 =
  22. 22.2/3 − 1/6 =
  23. 23.4/10 + 2/9 =
  24. 24.2/11 − 2/12 =
  25. 25.6/10 + 7/10 =
  26. 26.5/12 − 2/11 =
  27. 27.2/4 + 1/5 =
  28. 28.5/9 − 3/8 =
  29. 29.6/7 − 2/6 =
  30. 30.2/4 − 1/3 =
  31. 31.2/4 − 2/6 =
  32. 32.1/7 + 9/10 =
  33. 33.10/12 − 5/7 =
  34. 34.3/11 + 1/3 =
  35. 35.3/8 − 2/6 =
  36. 36.5/7 − 2/10 =
  37. 37.5/9 − 1/5 =
  38. 38.1/3 + 3/4 =
  39. 39.6/10 − 3/11 =
  40. 40.1/7 + 5/6 =

Answer key

  1. 67/45
  2. 11/14
  3. 8/9
  4. 13/10
  5. 13/44
  6. 1/4
  7. 47/55
  8. 7/5
  9. 16/15
  10. 5/4
  11. 16/21
  12. 1/18
  13. 1/21
  14. 19/20
  15. 94/99
  16. 20/33
  17. 11/10
  18. 3/4
  19. 2/9
  20. 2/7
  21. 2/3
  22. 1/2
  23. 28/45
  24. 1/66
  25. 13/10
  26. 31/132
  27. 7/10
  28. 13/72
  29. 11/21
  30. 1/6
  31. 1/6
  32. 73/70
  33. 5/42
  34. 20/33
  35. 1/24
  36. 18/35
  37. 16/45
  38. 13/12
  39. 18/55
  40. 41/42

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