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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 334 · 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. 1.6/7 + 1/6 =
  2. 2.2/10 + 6/7 =
  3. 3.2/4 + 3/12 =
  4. 4.7/8 + 10/12 =
  5. 5.1/2 + 1/2 =
  6. 6.1/2 + 3/9 =
  7. 7.4/8 + 2/7 =
  8. 8.3/4 − 1/2 =
  9. 9.4/5 + 2/12 =
  10. 10.10/11 + 9/12 =
  11. 11.3/9 + 2/11 =
  12. 12.2/6 − 1/6 =
  13. 13.5/6 + 1/8 =
  14. 14.1/2 − 2/9 =
  15. 15.1/2 + 1/2 =
  16. 16.1/5 + 1/2 =
  17. 17.4/12 + 6/8 =
  18. 18.4/8 + 1/5 =
  19. 19.1/11 + 1/3 =
  20. 20.1/2 − 2/5 =
  21. 21.3/4 − 1/7 =
  22. 22.1/7 + 2/3 =
  23. 23.1/2 + 5/7 =
  24. 24.5/7 − 2/7 =
  25. 25.8/11 + 1/2 =
  26. 26.7/8 + 5/9 =
  27. 27.6/7 + 3/11 =
  28. 28.11/12 + 1/4 =
  29. 29.7/10 + 1/4 =
  30. 30.1/2 − 1/12 =
  31. 31.6/10 + 2/3 =
  32. 32.3/4 + 3/6 =
  33. 33.3/4 + 2/3 =
  34. 34.1/9 + 5/8 =
  35. 35.1/2 + 1/12 =
  36. 36.1/2 − 3/11 =
  37. 37.3/4 + 4/11 =
  38. 38.1/2 + 1/2 =
  39. 39.11/12 − 1/5 =
  40. 40.6/7 + 5/7 =

Answer key

  1. 43/42
  2. 37/35
  3. 3/4
  4. 41/24
  5. 1
  6. 5/6
  7. 11/14
  8. 1/4
  9. 29/30
  10. 73/44
  11. 17/33
  12. 1/6
  13. 23/24
  14. 5/18
  15. 1
  16. 7/10
  17. 13/12
  18. 7/10
  19. 14/33
  20. 1/10
  21. 17/28
  22. 17/21
  23. 17/14
  24. 3/7
  25. 27/22
  26. 103/72
  27. 87/77
  28. 7/6
  29. 19/20
  30. 5/12
  31. 19/15
  32. 5/4
  33. 17/12
  34. 53/72
  35. 7/12
  36. 5/22
  37. 49/44
  38. 1
  39. 43/60
  40. 11/7

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