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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 109 · 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. 1.7/12 − 2/6 =
  2. 2.6/10 − 1/7 =
  3. 3.6/9 + 1/3 =
  4. 4.1/12 + 2/7 =
  5. 5.1/2 + 2/10 =
  6. 6.6/7 + 6/9 =
  7. 7.1/3 + 5/10 =
  8. 8.3/4 − 1/6 =
  9. 9.5/9 − 3/9 =
  10. 10.5/7 − 4/8 =
  11. 11.2/3 − 1/2 =
  12. 12.1/11 + 1/9 =
  13. 13.1/8 + 3/4 =
  14. 14.2/8 + 2/3 =
  15. 15.9/11 + 2/3 =
  16. 16.5/8 − 2/12 =
  17. 17.7/8 + 8/9 =
  18. 18.1/2 − 4/12 =
  19. 19.1/3 + 4/6 =
  20. 20.7/9 + 2/11 =
  21. 21.2/4 + 1/4 =
  22. 22.3/11 + 2/6 =
  23. 23.1/2 + 1/5 =
  24. 24.6/11 + 2/3 =
  25. 25.1/6 + 7/10 =
  26. 26.11/12 + 2/4 =
  27. 27.1/6 + 1/10 =
  28. 28.1/4 + 1/4 =
  29. 29.9/11 − 3/4 =
  30. 30.2/12 + 2/9 =
  31. 31.1/3 + 2/5 =
  32. 32.9/10 + 3/7 =
  33. 33.4/5 + 1/12 =
  34. 34.3/5 + 4/11 =
  35. 35.10/12 + 3/5 =
  36. 36.4/10 + 2/12 =
  37. 37.1/2 + 2/3 =
  38. 38.10/12 − 1/5 =
  39. 39.1/3 + 8/9 =
  40. 40.5/12 + 6/10 =

Answer key

  1. 1/4
  2. 16/35
  3. 1
  4. 31/84
  5. 7/10
  6. 32/21
  7. 5/6
  8. 7/12
  9. 2/9
  10. 3/14
  11. 1/6
  12. 20/99
  13. 7/8
  14. 11/12
  15. 49/33
  16. 11/24
  17. 127/72
  18. 1/6
  19. 1
  20. 95/99
  21. 3/4
  22. 20/33
  23. 7/10
  24. 40/33
  25. 13/15
  26. 17/12
  27. 4/15
  28. 1/2
  29. 3/44
  30. 7/18
  31. 11/15
  32. 93/70
  33. 53/60
  34. 53/55
  35. 43/30
  36. 17/30
  37. 7/6
  38. 19/30
  39. 11/9
  40. 61/60

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