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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 998 · 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. 1.6/7 − 4/7 =
  2. 2.7/8 − 5/10 =
  3. 3.9/10 + 1/7 =
  4. 4.8/9 + 2/5 =
  5. 5.4/9 + 7/10 =
  6. 6.3/9 − 2/10 =
  7. 7.3/4 − 2/8 =
  8. 8.5/11 + 8/11 =
  9. 9.6/7 + 8/10 =
  10. 10.1/3 + 1/4 =
  11. 11.1/2 + 7/9 =
  12. 12.3/7 + 3/4 =
  13. 13.5/6 + 7/8 =
  14. 14.5/11 − 1/6 =
  15. 15.1/2 + 6/10 =
  16. 16.5/9 + 1/2 =
  17. 17.1/2 + 1/4 =
  18. 18.2/4 + 1/2 =
  19. 19.5/9 + 3/6 =
  20. 20.2/6 + 1/3 =
  21. 21.1/7 + 10/12 =
  22. 22.3/4 − 1/4 =
  23. 23.5/6 + 2/3 =
  24. 24.9/10 + 1/2 =
  25. 25.5/6 + 2/4 =
  26. 26.1/3 + 7/8 =
  27. 27.1/4 + 2/6 =
  28. 28.6/9 + 1/5 =
  29. 29.5/7 + 3/4 =
  30. 30.1/7 + 9/11 =
  31. 31.1/3 + 2/3 =
  32. 32.8/9 + 5/6 =
  33. 33.1/3 + 5/7 =
  34. 34.3/6 + 1/2 =
  35. 35.3/4 + 2/3 =
  36. 36.11/12 − 1/12 =
  37. 37.6/7 − 4/10 =
  38. 38.1/3 + 3/4 =
  39. 39.3/8 − 1/3 =
  40. 40.1/6 + 2/10 =

Answer key

  1. 2/7
  2. 3/8
  3. 73/70
  4. 58/45
  5. 103/90
  6. 2/15
  7. 1/2
  8. 13/11
  9. 58/35
  10. 7/12
  11. 23/18
  12. 33/28
  13. 41/24
  14. 19/66
  15. 11/10
  16. 19/18
  17. 3/4
  18. 1
  19. 19/18
  20. 2/3
  21. 41/42
  22. 1/2
  23. 3/2
  24. 7/5
  25. 4/3
  26. 29/24
  27. 7/12
  28. 13/15
  29. 41/28
  30. 74/77
  31. 1
  32. 31/18
  33. 22/21
  34. 1
  35. 17/12
  36. 5/6
  37. 16/35
  38. 13/12
  39. 1/24
  40. 11/30

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