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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 728 · 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 + 4/8 =
  2. 2.1/10 + 3/12 =
  3. 3.3/4 − 1/2 =
  4. 4.4/11 + 5/9 =
  5. 5.1/2 + 2/10 =
  6. 6.2/6 − 3/11 =
  7. 7.4/8 − 2/10 =
  8. 8.11/12 + 1/3 =
  9. 9.4/12 + 9/10 =
  10. 10.3/4 − 2/3 =
  11. 11.8/12 + 1/11 =
  12. 12.8/12 − 3/10 =
  13. 13.1/2 + 7/11 =
  14. 14.6/9 − 2/8 =
  15. 15.2/3 + 1/4 =
  16. 16.4/6 − 1/6 =
  17. 17.2/3 + 9/10 =
  18. 18.1/3 + 1/10 =
  19. 19.3/4 + 1/2 =
  20. 20.10/12 + 2/5 =
  21. 21.3/8 + 11/12 =
  22. 22.1/5 + 10/11 =
  23. 23.2/4 + 2/4 =
  24. 24.8/11 − 2/6 =
  25. 25.2/10 + 5/10 =
  26. 26.1/10 + 5/7 =
  27. 27.7/8 − 2/11 =
  28. 28.2/3 + 7/12 =
  29. 29.2/4 + 2/3 =
  30. 30.2/8 + 2/7 =
  31. 31.1/2 + 8/10 =
  32. 32.2/10 + 5/7 =
  33. 33.2/11 + 5/10 =
  34. 34.3/7 + 1/4 =
  35. 35.2/3 + 1/10 =
  36. 36.1/6 + 2/5 =
  37. 37.3/4 − 3/7 =
  38. 38.2/3 + 2/9 =
  39. 39.2/3 − 1/11 =
  40. 40.10/11 + 1/4 =

Answer key

  1. 1
  2. 7/20
  3. 1/4
  4. 91/99
  5. 7/10
  6. 2/33
  7. 3/10
  8. 5/4
  9. 37/30
  10. 1/12
  11. 25/33
  12. 11/30
  13. 25/22
  14. 5/12
  15. 11/12
  16. 1/2
  17. 47/30
  18. 13/30
  19. 5/4
  20. 37/30
  21. 31/24
  22. 61/55
  23. 1
  24. 13/33
  25. 7/10
  26. 57/70
  27. 61/88
  28. 5/4
  29. 7/6
  30. 15/28
  31. 13/10
  32. 32/35
  33. 15/22
  34. 19/28
  35. 23/30
  36. 17/30
  37. 9/28
  38. 8/9
  39. 19/33
  40. 51/44

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