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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 567 · 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. 1.2/3 − 1/11 =
  2. 2.9/11 + 1/8 =
  3. 3.4/5 − 3/7 =
  4. 4.6/9 + 1/6 =
  5. 5.4/7 + 1/12 =
  6. 6.3/4 − 3/5 =
  7. 7.1/3 + 7/12 =
  8. 8.1/3 + 1/2 =
  9. 9.1/2 − 1/11 =
  10. 10.6/10 − 1/2 =
  11. 11.5/7 + 4/7 =
  12. 12.1/2 + 2/3 =
  13. 13.3/4 + 2/8 =
  14. 14.1/2 + 1/10 =
  15. 15.2/3 − 6/11 =
  16. 16.1/2 + 1/6 =
  17. 17.7/12 + 2/3 =
  18. 18.2/7 + 9/10 =
  19. 19.2/3 − 2/5 =
  20. 20.6/9 + 1/5 =
  21. 21.2/3 − 5/12 =
  22. 22.1/2 + 9/10 =
  23. 23.2/4 + 5/10 =
  24. 24.5/11 − 1/4 =
  25. 25.4/7 − 1/4 =
  26. 26.1/5 + 3/4 =
  27. 27.2/3 + 2/4 =
  28. 28.7/12 − 1/8 =
  29. 29.1/3 − 1/7 =
  30. 30.6/11 + 9/11 =
  31. 31.1/11 + 5/9 =
  32. 32.3/4 + 1/5 =
  33. 33.5/7 + 3/6 =
  34. 34.1/6 + 1/10 =
  35. 35.1/9 + 2/3 =
  36. 36.1/3 + 7/11 =
  37. 37.1/4 − 1/9 =
  38. 38.4/5 + 7/12 =
  39. 39.2/3 + 7/9 =
  40. 40.4/6 − 1/4 =

Answer key

  1. 19/33
  2. 83/88
  3. 13/35
  4. 5/6
  5. 55/84
  6. 3/20
  7. 11/12
  8. 5/6
  9. 9/22
  10. 1/10
  11. 9/7
  12. 7/6
  13. 1
  14. 3/5
  15. 4/33
  16. 2/3
  17. 5/4
  18. 83/70
  19. 4/15
  20. 13/15
  21. 1/4
  22. 7/5
  23. 1
  24. 9/44
  25. 9/28
  26. 19/20
  27. 7/6
  28. 11/24
  29. 4/21
  30. 15/11
  31. 64/99
  32. 19/20
  33. 17/14
  34. 4/15
  35. 7/9
  36. 32/33
  37. 5/36
  38. 83/60
  39. 13/9
  40. 5/12

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