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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 376 · 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. 1.4/7 − 1/3 =
  2. 2.1/2 + 1/2 =
  3. 3.10/11 + 5/6 =
  4. 4.4/6 + 6/11 =
  5. 5.1/3 + 3/12 =
  6. 6.1/12 + 1/4 =
  7. 7.6/11 + 1/2 =
  8. 8.2/9 + 3/5 =
  9. 9.7/10 − 1/2 =
  10. 10.7/9 − 5/10 =
  11. 11.1/3 + 5/7 =
  12. 12.7/9 + 1/3 =
  13. 13.4/8 + 9/11 =
  14. 14.8/12 + 2/10 =
  15. 15.5/9 − 5/12 =
  16. 16.1/3 + 5/9 =
  17. 17.8/12 + 1/8 =
  18. 18.4/5 − 3/4 =
  19. 19.2/3 − 1/4 =
  20. 20.8/10 − 2/4 =
  21. 21.1/2 + 1/2 =
  22. 22.1/4 + 2/10 =
  23. 23.6/9 − 1/4 =
  24. 24.5/12 − 4/12 =
  25. 25.2/4 − 1/3 =
  26. 26.2/6 + 1/3 =
  27. 27.7/12 − 1/2 =
  28. 28.1/2 + 1/10 =
  29. 29.5/6 + 10/12 =
  30. 30.8/12 + 1/2 =
  31. 31.1/10 + 1/2 =
  32. 32.2/5 − 4/11 =
  33. 33.4/6 + 2/5 =
  34. 34.3/6 − 1/3 =
  35. 35.1/2 − 1/3 =
  36. 36.6/7 + 3/5 =
  37. 37.10/11 − 9/11 =
  38. 38.4/7 − 2/8 =
  39. 39.5/9 − 1/6 =
  40. 40.4/12 + 1/3 =

Answer key

  1. 5/21
  2. 1
  3. 115/66
  4. 40/33
  5. 7/12
  6. 1/3
  7. 23/22
  8. 37/45
  9. 1/5
  10. 5/18
  11. 22/21
  12. 10/9
  13. 29/22
  14. 13/15
  15. 5/36
  16. 8/9
  17. 19/24
  18. 1/20
  19. 5/12
  20. 3/10
  21. 1
  22. 9/20
  23. 5/12
  24. 1/12
  25. 1/6
  26. 2/3
  27. 1/12
  28. 3/5
  29. 5/3
  30. 7/6
  31. 3/5
  32. 2/55
  33. 16/15
  34. 1/6
  35. 1/6
  36. 51/35
  37. 1/11
  38. 9/28
  39. 7/18
  40. 2/3

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