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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 648 · 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. 1.4/9 + 1/2 =
  2. 2.9/10 − 2/3 =
  3. 3.3/4 + 1/2 =
  4. 4.7/11 − 1/5 =
  5. 5.2/3 + 4/7 =
  6. 6.10/12 + 2/5 =
  7. 7.2/11 + 1/12 =
  8. 8.1/3 + 3/4 =
  9. 9.2/5 + 1/3 =
  10. 10.1/2 + 2/4 =
  11. 11.2/6 + 1/11 =
  12. 12.2/5 + 1/4 =
  13. 13.6/9 − 3/6 =
  14. 14.5/7 + 4/6 =
  15. 15.4/11 + 4/11 =
  16. 16.5/6 + 2/3 =
  17. 17.5/10 + 1/4 =
  18. 18.2/3 + 1/11 =
  19. 19.1/12 + 9/11 =
  20. 20.7/11 − 4/9 =
  21. 21.5/7 − 2/5 =
  22. 22.4/7 − 4/12 =
  23. 23.1/2 + 8/9 =
  24. 24.7/12 + 8/11 =
  25. 25.2/3 − 6/11 =
  26. 26.1/11 + 3/9 =
  27. 27.7/9 + 4/9 =
  28. 28.6/11 + 6/7 =
  29. 29.2/5 − 3/11 =
  30. 30.7/9 + 10/11 =
  31. 31.1/3 + 3/8 =
  32. 32.1/3 + 5/8 =
  33. 33.7/10 − 2/4 =
  34. 34.1/2 − 1/12 =
  35. 35.5/6 − 3/8 =
  36. 36.1/2 − 1/3 =
  37. 37.1/2 + 2/6 =
  38. 38.11/12 − 2/12 =
  39. 39.4/5 − 2/5 =
  40. 40.3/4 − 3/6 =

Answer key

  1. 17/18
  2. 7/30
  3. 5/4
  4. 24/55
  5. 26/21
  6. 37/30
  7. 35/132
  8. 13/12
  9. 11/15
  10. 1
  11. 14/33
  12. 13/20
  13. 1/6
  14. 29/21
  15. 8/11
  16. 3/2
  17. 3/4
  18. 25/33
  19. 119/132
  20. 19/99
  21. 11/35
  22. 5/21
  23. 25/18
  24. 173/132
  25. 4/33
  26. 14/33
  27. 11/9
  28. 108/77
  29. 7/55
  30. 167/99
  31. 17/24
  32. 23/24
  33. 1/5
  34. 5/12
  35. 11/24
  36. 1/6
  37. 5/6
  38. 3/4
  39. 2/5
  40. 1/4

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