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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 395 · 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. 1.1/11 + 2/3 =
  2. 2.1/4 + 8/11 =
  3. 3.10/11 + 7/12 =
  4. 4.2/8 − 1/9 =
  5. 5.9/11 − 6/8 =
  6. 6.4/5 − 1/2 =
  7. 7.1/6 + 10/11 =
  8. 8.1/3 − 1/9 =
  9. 9.4/10 + 3/8 =
  10. 10.3/4 − 3/8 =
  11. 11.3/12 + 1/3 =
  12. 12.6/11 + 1/8 =
  13. 13.10/11 − 8/9 =
  14. 14.2/8 + 1/3 =
  15. 15.5/10 + 4/5 =
  16. 16.4/10 + 3/7 =
  17. 17.1/3 + 1/4 =
  18. 18.5/8 + 6/10 =
  19. 19.1/7 + 3/4 =
  20. 20.4/6 − 1/3 =
  21. 21.8/11 + 1/2 =
  22. 22.4/5 + 8/12 =
  23. 23.3/7 + 1/4 =
  24. 24.4/10 + 4/6 =
  25. 25.1/4 + 8/9 =
  26. 26.3/6 − 1/3 =
  27. 27.2/7 + 7/11 =
  28. 28.1/3 + 3/9 =
  29. 29.1/8 + 4/9 =
  30. 30.2/4 + 5/6 =
  31. 31.1/3 + 1/2 =
  32. 32.2/3 − 4/7 =
  33. 33.4/5 − 1/12 =
  34. 34.4/6 − 1/4 =
  35. 35.3/7 + 1/2 =
  36. 36.2/3 − 2/9 =
  37. 37.7/10 − 2/6 =
  38. 38.2/3 + 3/4 =
  39. 39.3/11 − 1/6 =
  40. 40.4/5 − 2/12 =

Answer key

  1. 25/33
  2. 43/44
  3. 197/132
  4. 5/36
  5. 3/44
  6. 3/10
  7. 71/66
  8. 2/9
  9. 31/40
  10. 3/8
  11. 7/12
  12. 59/88
  13. 2/99
  14. 7/12
  15. 13/10
  16. 29/35
  17. 7/12
  18. 49/40
  19. 25/28
  20. 1/3
  21. 27/22
  22. 22/15
  23. 19/28
  24. 16/15
  25. 41/36
  26. 1/6
  27. 71/77
  28. 2/3
  29. 41/72
  30. 4/3
  31. 5/6
  32. 2/21
  33. 43/60
  34. 5/12
  35. 13/14
  36. 4/9
  37. 11/30
  38. 17/12
  39. 7/66
  40. 19/30

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