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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 773 · 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. 1.2/5 − 2/9 =
  2. 2.4/5 − 1/5 =
  3. 3.2/3 + 4/5 =
  4. 4.3/5 − 1/2 =
  5. 5.2/3 − 2/4 =
  6. 6.3/11 − 2/10 =
  7. 7.1/2 − 2/5 =
  8. 8.6/9 + 3/11 =
  9. 9.2/3 + 8/12 =
  10. 10.2/6 + 4/7 =
  11. 11.3/4 + 7/9 =
  12. 12.8/9 + 8/9 =
  13. 13.1/10 + 1/3 =
  14. 14.6/7 − 8/10 =
  15. 15.2/6 − 2/11 =
  16. 16.2/6 − 1/4 =
  17. 17.4/8 + 1/7 =
  18. 18.5/7 − 2/5 =
  19. 19.4/9 − 3/10 =
  20. 20.5/7 + 2/7 =
  21. 21.2/8 + 2/8 =
  22. 22.5/7 − 2/10 =
  23. 23.2/3 − 3/11 =
  24. 24.1/3 + 1/3 =
  25. 25.2/3 + 2/10 =
  26. 26.2/3 + 6/10 =
  27. 27.3/6 + 2/6 =
  28. 28.3/5 + 8/9 =
  29. 29.6/8 − 2/4 =
  30. 30.1/2 + 5/11 =
  31. 31.7/9 + 1/2 =
  32. 32.7/11 + 6/8 =
  33. 33.8/12 − 1/2 =
  34. 34.1/12 + 4/5 =
  35. 35.4/10 + 1/8 =
  36. 36.1/11 + 3/12 =
  37. 37.3/6 + 1/3 =
  38. 38.4/9 − 1/3 =
  39. 39.2/8 + 1/4 =
  40. 40.1/8 + 1/2 =

Answer key

  1. 8/45
  2. 3/5
  3. 22/15
  4. 1/10
  5. 1/6
  6. 4/55
  7. 1/10
  8. 31/33
  9. 4/3
  10. 19/21
  11. 55/36
  12. 16/9
  13. 13/30
  14. 2/35
  15. 5/33
  16. 1/12
  17. 9/14
  18. 11/35
  19. 13/90
  20. 1
  21. 1/2
  22. 18/35
  23. 13/33
  24. 2/3
  25. 13/15
  26. 19/15
  27. 5/6
  28. 67/45
  29. 1/4
  30. 21/22
  31. 23/18
  32. 61/44
  33. 1/6
  34. 53/60
  35. 21/40
  36. 15/44
  37. 5/6
  38. 1/9
  39. 1/2
  40. 5/8

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