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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 1 · 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. 1.6/10 + 4/5 =
  2. 2.1/2 + 1/4 =
  3. 3.4/7 − 1/10 =
  4. 4.1/3 + 1/10 =
  5. 5.2/5 + 1/2 =
  6. 6.6/10 + 1/3 =
  7. 7.2/12 + 2/3 =
  8. 8.2/3 − 3/12 =
  9. 9.1/6 + 4/5 =
  10. 10.1/2 + 2/12 =
  11. 11.2/3 + 1/4 =
  12. 12.1/2 + 1/9 =
  13. 13.1/6 + 3/7 =
  14. 14.6/7 − 7/10 =
  15. 15.2/8 + 1/2 =
  16. 16.3/8 + 1/2 =
  17. 17.3/4 + 3/4 =
  18. 18.1/5 − 1/10 =
  19. 19.1/2 + 4/11 =
  20. 20.1/2 + 4/8 =
  21. 21.1/2 + 9/10 =
  22. 22.1/5 + 2/6 =
  23. 23.1/6 + 2/12 =
  24. 24.2/6 − 1/4 =
  25. 25.1/3 + 3/5 =
  26. 26.7/9 − 3/10 =
  27. 27.4/11 + 1/11 =
  28. 28.4/9 + 1/5 =
  29. 29.3/5 − 3/6 =
  30. 30.9/11 − 1/2 =
  31. 31.8/10 − 1/3 =
  32. 32.5/9 − 1/5 =
  33. 33.2/9 + 10/11 =
  34. 34.3/4 − 1/10 =
  35. 35.4/9 + 5/10 =
  36. 36.9/11 − 7/9 =
  37. 37.1/2 − 1/4 =
  38. 38.1/5 + 2/8 =
  39. 39.1/4 + 2/11 =
  40. 40.2/3 + 2/3 =

Answer key

  1. 7/5
  2. 3/4
  3. 33/70
  4. 13/30
  5. 9/10
  6. 14/15
  7. 5/6
  8. 5/12
  9. 29/30
  10. 2/3
  11. 11/12
  12. 11/18
  13. 25/42
  14. 11/70
  15. 3/4
  16. 7/8
  17. 3/2
  18. 1/10
  19. 19/22
  20. 1
  21. 7/5
  22. 8/15
  23. 1/3
  24. 1/12
  25. 14/15
  26. 43/90
  27. 5/11
  28. 29/45
  29. 1/10
  30. 7/22
  31. 7/15
  32. 16/45
  33. 112/99
  34. 13/20
  35. 17/18
  36. 4/99
  37. 1/4
  38. 9/20
  39. 19/44
  40. 4/3

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