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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 746 · 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. 1.1/3 + 4/7 =
  2. 2.9/12 − 2/5 =
  3. 3.1/2 + 5/12 =
  4. 4.2/3 − 1/3 =
  5. 5.1/3 + 9/10 =
  6. 6.5/11 − 2/12 =
  7. 7.1/2 − 1/3 =
  8. 8.8/11 − 2/6 =
  9. 9.1/2 − 1/3 =
  10. 10.2/4 + 2/11 =
  11. 11.7/10 − 1/4 =
  12. 12.5/8 + 2/7 =
  13. 13.2/8 + 6/11 =
  14. 14.4/12 + 3/4 =
  15. 15.6/7 − 2/5 =
  16. 16.2/7 + 2/3 =
  17. 17.6/8 + 4/10 =
  18. 18.1/5 + 1/5 =
  19. 19.2/11 + 7/8 =
  20. 20.3/4 − 1/2 =
  21. 21.1/2 + 1/4 =
  22. 22.1/6 + 3/11 =
  23. 23.1/4 + 4/5 =
  24. 24.3/5 + 1/6 =
  25. 25.1/4 + 2/12 =
  26. 26.2/3 − 1/7 =
  27. 27.9/12 − 5/12 =
  28. 28.1/2 − 1/4 =
  29. 29.3/7 − 1/12 =
  30. 30.1/2 − 2/9 =
  31. 31.2/3 − 5/10 =
  32. 32.1/5 + 1/5 =
  33. 33.6/8 + 2/10 =
  34. 34.2/6 + 3/9 =
  35. 35.7/10 − 3/7 =
  36. 36.1/3 + 1/2 =
  37. 37.3/6 + 3/4 =
  38. 38.3/9 + 3/5 =
  39. 39.1/6 + 2/5 =
  40. 40.2/4 + 2/4 =

Answer key

  1. 19/21
  2. 7/20
  3. 11/12
  4. 1/3
  5. 37/30
  6. 19/66
  7. 1/6
  8. 13/33
  9. 1/6
  10. 15/22
  11. 9/20
  12. 51/56
  13. 35/44
  14. 13/12
  15. 16/35
  16. 20/21
  17. 23/20
  18. 2/5
  19. 93/88
  20. 1/4
  21. 3/4
  22. 29/66
  23. 21/20
  24. 23/30
  25. 5/12
  26. 11/21
  27. 1/3
  28. 1/4
  29. 29/84
  30. 5/18
  31. 1/6
  32. 2/5
  33. 19/20
  34. 2/3
  35. 19/70
  36. 5/6
  37. 5/4
  38. 14/15
  39. 17/30
  40. 1

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