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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 827 · 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. 1.1/10 + 5/10 =
  2. 2.1/2 + 2/4 =
  3. 3.8/9 + 1/12 =
  4. 4.2/4 + 3/5 =
  5. 5.8/10 − 6/10 =
  6. 6.1/3 + 2/9 =
  7. 7.2/4 + 2/6 =
  8. 8.6/8 + 2/11 =
  9. 9.5/9 − 3/11 =
  10. 10.1/2 − 4/10 =
  11. 11.2/10 + 2/3 =
  12. 12.1/2 + 7/9 =
  13. 13.2/4 + 9/11 =
  14. 14.8/11 − 4/7 =
  15. 15.2/3 + 8/11 =
  16. 16.10/11 − 6/12 =
  17. 17.2/4 + 4/5 =
  18. 18.1/3 + 1/5 =
  19. 19.6/7 − 5/6 =
  20. 20.3/4 + 7/8 =
  21. 21.4/9 + 3/5 =
  22. 22.1/2 − 2/5 =
  23. 23.2/5 + 3/6 =
  24. 24.6/12 + 5/12 =
  25. 25.2/9 + 9/12 =
  26. 26.7/11 − 1/12 =
  27. 27.3/11 + 3/4 =
  28. 28.2/6 + 7/8 =
  29. 29.3/4 − 2/9 =
  30. 30.1/5 + 2/3 =
  31. 31.1/3 − 1/4 =
  32. 32.2/4 + 1/2 =
  33. 33.9/11 + 1/7 =
  34. 34.5/8 + 1/12 =
  35. 35.2/9 + 1/5 =
  36. 36.1/2 + 2/4 =
  37. 37.1/4 + 1/12 =
  38. 38.4/5 + 11/12 =
  39. 39.1/3 + 2/9 =
  40. 40.2/3 − 1/4 =

Answer key

  1. 3/5
  2. 1
  3. 35/36
  4. 11/10
  5. 1/5
  6. 5/9
  7. 5/6
  8. 41/44
  9. 28/99
  10. 1/10
  11. 13/15
  12. 23/18
  13. 29/22
  14. 12/77
  15. 46/33
  16. 9/22
  17. 13/10
  18. 8/15
  19. 1/42
  20. 13/8
  21. 47/45
  22. 1/10
  23. 9/10
  24. 11/12
  25. 35/36
  26. 73/132
  27. 45/44
  28. 29/24
  29. 19/36
  30. 13/15
  31. 1/12
  32. 1
  33. 74/77
  34. 17/24
  35. 19/45
  36. 1
  37. 1/3
  38. 103/60
  39. 5/9
  40. 5/12

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