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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 716 · 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. 1.7/10 + 4/10 =
  2. 2.1/10 + 1/8 =
  3. 3.1/3 − 1/5 =
  4. 4.3/5 + 1/11 =
  5. 5.8/9 − 1/3 =
  6. 6.5/6 − 3/7 =
  7. 7.1/2 + 3/9 =
  8. 8.1/6 + 1/2 =
  9. 9.7/10 − 2/5 =
  10. 10.1/2 − 1/3 =
  11. 11.3/11 + 5/9 =
  12. 12.3/5 + 2/4 =
  13. 13.1/2 + 2/10 =
  14. 14.5/12 − 3/11 =
  15. 15.2/3 − 2/4 =
  16. 16.6/11 + 4/5 =
  17. 17.2/11 + 2/6 =
  18. 18.3/6 − 1/7 =
  19. 19.3/5 + 10/11 =
  20. 20.2/3 − 3/7 =
  21. 21.1/2 + 1/2 =
  22. 22.4/6 + 1/7 =
  23. 23.2/4 + 3/5 =
  24. 24.6/10 − 1/8 =
  25. 25.2/3 − 2/8 =
  26. 26.1/2 − 1/3 =
  27. 27.7/10 + 5/6 =
  28. 28.8/10 − 5/7 =
  29. 29.3/6 − 2/6 =
  30. 30.3/6 − 3/8 =
  31. 31.3/4 − 7/10 =
  32. 32.7/8 + 4/10 =
  33. 33.4/7 + 1/4 =
  34. 34.2/5 − 1/5 =
  35. 35.1/5 + 1/2 =
  36. 36.1/2 − 1/11 =
  37. 37.6/8 + 8/10 =
  38. 38.2/3 + 7/8 =
  39. 39.1/2 − 1/9 =
  40. 40.1/3 + 5/7 =

Answer key

  1. 11/10
  2. 9/40
  3. 2/15
  4. 38/55
  5. 5/9
  6. 17/42
  7. 5/6
  8. 2/3
  9. 3/10
  10. 1/6
  11. 82/99
  12. 11/10
  13. 7/10
  14. 19/132
  15. 1/6
  16. 74/55
  17. 17/33
  18. 5/14
  19. 83/55
  20. 5/21
  21. 1
  22. 17/21
  23. 11/10
  24. 19/40
  25. 5/12
  26. 1/6
  27. 23/15
  28. 3/35
  29. 1/6
  30. 1/8
  31. 1/20
  32. 51/40
  33. 23/28
  34. 1/5
  35. 7/10
  36. 9/22
  37. 31/20
  38. 37/24
  39. 7/18
  40. 22/21

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