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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 522 · 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. 1.4/8 + 1/8 =
  2. 2.1/3 − 3/11 =
  3. 3.1/2 − 3/7 =
  4. 4.7/12 − 1/6 =
  5. 5.1/2 − 3/9 =
  6. 6.4/6 − 3/5 =
  7. 7.4/6 + 4/6 =
  8. 8.5/9 − 2/4 =
  9. 9.1/6 + 10/12 =
  10. 10.2/3 − 1/4 =
  11. 11.2/8 + 1/4 =
  12. 12.1/8 + 3/7 =
  13. 13.2/3 + 3/4 =
  14. 14.1/3 + 1/11 =
  15. 15.4/10 + 1/7 =
  16. 16.1/2 + 2/6 =
  17. 17.5/11 − 1/3 =
  18. 18.1/3 − 2/8 =
  19. 19.1/2 − 3/11 =
  20. 20.2/4 + 5/6 =
  21. 21.2/8 + 1/3 =
  22. 22.4/5 + 2/12 =
  23. 23.1/2 − 1/7 =
  24. 24.8/10 + 5/7 =
  25. 25.3/7 + 6/7 =
  26. 26.6/10 + 2/6 =
  27. 27.7/10 + 1/4 =
  28. 28.1/2 + 7/9 =
  29. 29.2/10 + 5/11 =
  30. 30.4/6 + 2/3 =
  31. 31.4/10 + 6/8 =
  32. 32.2/6 − 1/5 =
  33. 33.1/9 + 2/4 =
  34. 34.3/5 + 7/10 =
  35. 35.1/2 + 5/7 =
  36. 36.7/8 + 2/4 =
  37. 37.4/7 − 4/12 =
  38. 38.1/3 + 4/8 =
  39. 39.1/3 − 1/7 =
  40. 40.2/6 + 2/3 =

Answer key

  1. 5/8
  2. 2/33
  3. 1/14
  4. 5/12
  5. 1/6
  6. 1/15
  7. 4/3
  8. 1/18
  9. 1
  10. 5/12
  11. 1/2
  12. 31/56
  13. 17/12
  14. 14/33
  15. 19/35
  16. 5/6
  17. 4/33
  18. 1/12
  19. 5/22
  20. 4/3
  21. 7/12
  22. 29/30
  23. 5/14
  24. 53/35
  25. 9/7
  26. 14/15
  27. 19/20
  28. 23/18
  29. 36/55
  30. 4/3
  31. 23/20
  32. 2/15
  33. 11/18
  34. 13/10
  35. 17/14
  36. 11/8
  37. 5/21
  38. 5/6
  39. 4/21
  40. 1

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