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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 870 · 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. 1.3/4 + 1/6 =
  2. 2.3/8 − 1/3 =
  3. 3.1/2 + 1/3 =
  4. 4.6/11 − 4/12 =
  5. 5.2/3 + 6/9 =
  6. 6.1/2 + 1/8 =
  7. 7.2/6 + 7/8 =
  8. 8.2/6 + 1/3 =
  9. 9.1/8 + 3/7 =
  10. 10.7/8 − 2/5 =
  11. 11.1/3 + 2/6 =
  12. 12.1/2 − 4/9 =
  13. 13.1/4 + 1/3 =
  14. 14.9/12 + 3/10 =
  15. 15.6/9 − 5/8 =
  16. 16.4/11 − 1/5 =
  17. 17.1/5 − 1/7 =
  18. 18.4/7 + 3/5 =
  19. 19.6/10 + 3/4 =
  20. 20.4/5 − 1/7 =
  21. 21.2/11 + 1/2 =
  22. 22.9/10 − 3/4 =
  23. 23.1/4 + 6/10 =
  24. 24.1/2 + 1/2 =
  25. 25.3/7 + 4/10 =
  26. 26.2/3 + 2/11 =
  27. 27.3/4 + 3/5 =
  28. 28.9/10 − 4/8 =
  29. 29.2/3 − 7/12 =
  30. 30.4/11 + 2/5 =
  31. 31.2/5 + 1/6 =
  32. 32.8/10 − 2/7 =
  33. 33.2/10 + 1/4 =
  34. 34.2/8 + 9/11 =
  35. 35.4/7 + 1/6 =
  36. 36.3/4 + 5/9 =
  37. 37.4/7 + 2/4 =
  38. 38.5/7 − 2/5 =
  39. 39.4/10 − 2/6 =
  40. 40.6/7 + 1/3 =

Answer key

  1. 11/12
  2. 1/24
  3. 5/6
  4. 7/33
  5. 4/3
  6. 5/8
  7. 29/24
  8. 2/3
  9. 31/56
  10. 19/40
  11. 2/3
  12. 1/18
  13. 7/12
  14. 21/20
  15. 1/24
  16. 9/55
  17. 2/35
  18. 41/35
  19. 27/20
  20. 23/35
  21. 15/22
  22. 3/20
  23. 17/20
  24. 1
  25. 29/35
  26. 28/33
  27. 27/20
  28. 2/5
  29. 1/12
  30. 42/55
  31. 17/30
  32. 18/35
  33. 9/20
  34. 47/44
  35. 31/42
  36. 47/36
  37. 15/14
  38. 11/35
  39. 1/15
  40. 25/21

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