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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 7 · 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. 1.3/12 − 1/6 =
  2. 2.5/7 + 1/2 =
  3. 3.2/5 + 2/10 =
  4. 4.3/7 + 1/2 =
  5. 5.7/11 − 1/5 =
  6. 6.1/6 + 5/6 =
  7. 7.3/10 + 2/5 =
  8. 8.1/8 + 1/8 =
  9. 9.3/7 + 1/2 =
  10. 10.1/3 + 1/3 =
  11. 11.3/8 + 6/9 =
  12. 12.4/12 − 1/9 =
  13. 13.3/4 − 1/2 =
  14. 14.5/10 + 1/7 =
  15. 15.7/11 + 2/3 =
  16. 16.2/4 − 2/7 =
  17. 17.2/8 + 2/11 =
  18. 18.2/3 + 5/6 =
  19. 19.2/3 + 2/3 =
  20. 20.2/9 + 2/3 =
  21. 21.5/11 − 1/3 =
  22. 22.2/8 + 1/12 =
  23. 23.2/5 + 9/11 =
  24. 24.1/11 + 3/4 =
  25. 25.5/9 − 2/7 =
  26. 26.8/9 − 2/11 =
  27. 27.7/12 − 4/7 =
  28. 28.2/4 + 5/9 =
  29. 29.6/9 + 1/4 =
  30. 30.1/2 − 2/5 =
  31. 31.1/10 − 1/12 =
  32. 32.3/8 + 1/3 =
  33. 33.2/7 + 5/6 =
  34. 34.3/7 + 6/9 =
  35. 35.4/6 − 1/3 =
  36. 36.4/10 − 1/7 =
  37. 37.6/7 − 2/6 =
  38. 38.1/3 − 1/6 =
  39. 39.5/7 − 1/2 =
  40. 40.1/4 − 1/9 =

Answer key

  1. 1/12
  2. 17/14
  3. 3/5
  4. 13/14
  5. 24/55
  6. 1
  7. 7/10
  8. 1/4
  9. 13/14
  10. 2/3
  11. 25/24
  12. 2/9
  13. 1/4
  14. 9/14
  15. 43/33
  16. 3/14
  17. 19/44
  18. 3/2
  19. 4/3
  20. 8/9
  21. 4/33
  22. 1/3
  23. 67/55
  24. 37/44
  25. 17/63
  26. 70/99
  27. 1/84
  28. 19/18
  29. 11/12
  30. 1/10
  31. 1/60
  32. 17/24
  33. 47/42
  34. 23/21
  35. 1/3
  36. 9/35
  37. 11/21
  38. 1/6
  39. 3/14
  40. 5/36

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