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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 665 · 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. 1.7/9 − 3/6 =
  2. 2.6/9 − 1/5 =
  3. 3.9/11 + 2/3 =
  4. 4.1/5 + 2/6 =
  5. 5.2/4 + 4/6 =
  6. 6.1/6 + 2/7 =
  7. 7.4/6 − 1/3 =
  8. 8.1/2 − 1/9 =
  9. 9.1/3 + 1/2 =
  10. 10.6/8 + 1/3 =
  11. 11.6/9 − 6/11 =
  12. 12.1/2 + 4/8 =
  13. 13.6/7 + 1/3 =
  14. 14.1/7 + 6/9 =
  15. 15.5/7 + 6/10 =
  16. 16.2/4 − 3/7 =
  17. 17.3/11 + 8/10 =
  18. 18.6/7 − 6/8 =
  19. 19.9/12 − 3/8 =
  20. 20.2/5 + 2/3 =
  21. 21.1/2 + 1/3 =
  22. 22.5/7 − 2/7 =
  23. 23.2/3 − 2/4 =
  24. 24.6/9 + 4/6 =
  25. 25.2/3 − 1/4 =
  26. 26.3/8 + 6/7 =
  27. 27.1/3 + 4/5 =
  28. 28.1/9 + 2/5 =
  29. 29.6/9 + 6/7 =
  30. 30.1/5 + 1/9 =
  31. 31.6/9 − 1/2 =
  32. 32.2/5 + 2/7 =
  33. 33.2/4 + 3/6 =
  34. 34.5/10 + 1/3 =
  35. 35.2/4 + 5/12 =
  36. 36.1/3 − 1/5 =
  37. 37.5/10 − 2/11 =
  38. 38.4/7 − 2/7 =
  39. 39.5/6 + 6/10 =
  40. 40.1/3 − 1/8 =

Answer key

  1. 5/18
  2. 7/15
  3. 49/33
  4. 8/15
  5. 7/6
  6. 19/42
  7. 1/3
  8. 7/18
  9. 5/6
  10. 13/12
  11. 4/33
  12. 1
  13. 25/21
  14. 17/21
  15. 46/35
  16. 1/14
  17. 59/55
  18. 3/28
  19. 3/8
  20. 16/15
  21. 5/6
  22. 3/7
  23. 1/6
  24. 4/3
  25. 5/12
  26. 69/56
  27. 17/15
  28. 23/45
  29. 32/21
  30. 14/45
  31. 1/6
  32. 24/35
  33. 1
  34. 5/6
  35. 11/12
  36. 2/15
  37. 7/22
  38. 2/7
  39. 43/30
  40. 5/24

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