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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 730 · 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 + 2/6 =
  2. 2.2/11 + 5/6 =
  3. 3.4/5 − 6/9 =
  4. 4.10/12 − 1/2 =
  5. 5.1/10 + 6/7 =
  6. 6.3/4 − 7/11 =
  7. 7.9/12 + 2/6 =
  8. 8.8/10 − 1/2 =
  9. 9.5/12 + 4/9 =
  10. 10.2/5 − 1/7 =
  11. 11.5/7 − 7/10 =
  12. 12.5/9 − 2/10 =
  13. 13.1/4 + 4/7 =
  14. 14.2/6 − 2/8 =
  15. 15.1/10 + 3/9 =
  16. 16.3/5 − 4/12 =
  17. 17.9/11 + 4/6 =
  18. 18.3/4 − 2/11 =
  19. 19.5/11 − 1/8 =
  20. 20.4/6 − 2/7 =
  21. 21.1/4 + 1/3 =
  22. 22.4/8 + 1/2 =
  23. 23.9/10 + 3/10 =
  24. 24.1/2 + 2/5 =
  25. 25.4/8 + 2/8 =
  26. 26.7/8 − 1/2 =
  27. 27.1/4 + 1/2 =
  28. 28.1/3 + 5/6 =
  29. 29.3/10 + 2/3 =
  30. 30.1/8 + 2/5 =
  31. 31.4/5 + 8/12 =
  32. 32.3/9 − 1/4 =
  33. 33.2/8 + 1/2 =
  34. 34.4/9 + 6/8 =
  35. 35.2/3 − 1/4 =
  36. 36.2/6 + 1/4 =
  37. 37.1/2 + 2/3 =
  38. 38.4/10 + 1/3 =
  39. 39.1/2 − 1/5 =
  40. 40.10/11 + 4/6 =

Answer key

  1. 5/6
  2. 67/66
  3. 2/15
  4. 1/3
  5. 67/70
  6. 5/44
  7. 13/12
  8. 3/10
  9. 31/36
  10. 9/35
  11. 1/70
  12. 16/45
  13. 23/28
  14. 1/12
  15. 13/30
  16. 4/15
  17. 49/33
  18. 25/44
  19. 29/88
  20. 8/21
  21. 7/12
  22. 1
  23. 6/5
  24. 9/10
  25. 3/4
  26. 3/8
  27. 3/4
  28. 7/6
  29. 29/30
  30. 21/40
  31. 22/15
  32. 1/12
  33. 3/4
  34. 43/36
  35. 5/12
  36. 7/12
  37. 7/6
  38. 11/15
  39. 3/10
  40. 52/33

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