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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 719 · 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 − 1/6 =
  2. 2.8/11 − 5/8 =
  3. 3.1/2 + 1/4 =
  4. 4.7/10 − 1/9 =
  5. 5.8/9 − 4/11 =
  6. 6.6/7 + 6/8 =
  7. 7.9/11 + 2/4 =
  8. 8.3/10 − 2/10 =
  9. 9.1/3 − 1/4 =
  10. 10.7/8 − 2/3 =
  11. 11.1/9 + 3/4 =
  12. 12.3/5 + 8/10 =
  13. 13.1/3 − 1/12 =
  14. 14.3/8 + 1/5 =
  15. 15.3/9 + 2/7 =
  16. 16.1/5 + 7/8 =
  17. 17.6/10 + 2/3 =
  18. 18.2/4 − 1/4 =
  19. 19.1/2 + 2/4 =
  20. 20.4/6 − 3/11 =
  21. 21.1/2 − 2/7 =
  22. 22.6/10 − 3/9 =
  23. 23.1/4 + 2/10 =
  24. 24.3/10 − 1/4 =
  25. 25.1/3 + 1/5 =
  26. 26.2/4 − 1/5 =
  27. 27.6/9 − 3/10 =
  28. 28.4/5 − 5/8 =
  29. 29.1/3 + 5/11 =
  30. 30.2/4 + 1/2 =
  31. 31.2/4 + 2/11 =
  32. 32.3/9 − 1/9 =
  33. 33.5/8 − 1/4 =
  34. 34.9/10 − 4/5 =
  35. 35.1/6 + 1/3 =
  36. 36.3/5 + 2/10 =
  37. 37.2/3 − 1/4 =
  38. 38.3/11 + 2/8 =
  39. 39.9/10 − 1/6 =
  40. 40.8/10 − 1/2 =

Answer key

  1. 1/3
  2. 9/88
  3. 3/4
  4. 53/90
  5. 52/99
  6. 45/28
  7. 29/22
  8. 1/10
  9. 1/12
  10. 5/24
  11. 31/36
  12. 7/5
  13. 1/4
  14. 23/40
  15. 13/21
  16. 43/40
  17. 19/15
  18. 1/4
  19. 1
  20. 13/33
  21. 3/14
  22. 4/15
  23. 9/20
  24. 1/20
  25. 8/15
  26. 3/10
  27. 11/30
  28. 7/40
  29. 26/33
  30. 1
  31. 15/22
  32. 2/9
  33. 3/8
  34. 1/10
  35. 1/2
  36. 4/5
  37. 5/12
  38. 23/44
  39. 11/15
  40. 3/10

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