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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 65 · 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. 1.1/2 − 1/10 =
  2. 2.1/5 + 5/6 =
  3. 3.7/9 − 1/6 =
  4. 4.2/4 − 2/11 =
  5. 5.1/2 − 3/11 =
  6. 6.1/2 + 2/12 =
  7. 7.1/5 + 4/6 =
  8. 8.1/2 + 2/7 =
  9. 9.1/2 + 3/6 =
  10. 10.2/4 + 1/2 =
  11. 11.7/12 − 2/4 =
  12. 12.9/10 − 8/12 =
  13. 13.1/2 − 1/3 =
  14. 14.3/4 + 3/4 =
  15. 15.1/2 + 2/4 =
  16. 16.3/8 − 3/10 =
  17. 17.3/5 − 1/4 =
  18. 18.10/12 + 2/3 =
  19. 19.1/2 − 5/11 =
  20. 20.2/9 − 1/12 =
  21. 21.2/5 + 3/4 =
  22. 22.2/3 + 8/10 =
  23. 23.1/5 − 2/12 =
  24. 24.1/2 − 1/12 =
  25. 25.5/10 + 1/9 =
  26. 26.7/9 + 5/10 =
  27. 27.5/8 + 2/7 =
  28. 28.3/4 − 1/2 =
  29. 29.5/6 + 3/10 =
  30. 30.4/5 + 1/11 =
  31. 31.7/8 + 3/7 =
  32. 32.7/10 − 2/5 =
  33. 33.2/7 + 2/3 =
  34. 34.10/11 − 6/8 =
  35. 35.4/5 + 2/3 =
  36. 36.7/8 − 5/7 =
  37. 37.3/9 − 1/7 =
  38. 38.4/5 − 1/9 =
  39. 39.1/5 + 7/9 =
  40. 40.7/9 + 4/6 =

Answer key

  1. 2/5
  2. 31/30
  3. 11/18
  4. 7/22
  5. 5/22
  6. 2/3
  7. 13/15
  8. 11/14
  9. 1
  10. 1
  11. 1/12
  12. 7/30
  13. 1/6
  14. 3/2
  15. 1
  16. 3/40
  17. 7/20
  18. 3/2
  19. 1/22
  20. 5/36
  21. 23/20
  22. 22/15
  23. 1/30
  24. 5/12
  25. 11/18
  26. 23/18
  27. 51/56
  28. 1/4
  29. 17/15
  30. 49/55
  31. 73/56
  32. 3/10
  33. 20/21
  34. 7/44
  35. 22/15
  36. 9/56
  37. 4/21
  38. 31/45
  39. 44/45
  40. 13/9

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