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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 512 · 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. 1.5/10 + 2/3 =
  2. 2.7/8 − 2/5 =
  3. 3.4/5 − 2/3 =
  4. 4.3/4 − 1/4 =
  5. 5.1/7 + 1/3 =
  6. 6.2/9 − 1/6 =
  7. 7.2/10 + 1/2 =
  8. 8.1/2 + 8/9 =
  9. 9.3/7 + 5/8 =
  10. 10.9/10 − 3/11 =
  11. 11.2/6 + 1/6 =
  12. 12.1/2 − 4/10 =
  13. 13.7/9 − 1/2 =
  14. 14.2/4 + 1/2 =
  15. 15.4/5 − 1/3 =
  16. 16.9/11 − 1/3 =
  17. 17.1/7 + 4/5 =
  18. 18.9/11 − 4/9 =
  19. 19.1/2 + 1/7 =
  20. 20.1/5 + 4/9 =
  21. 21.2/9 + 3/4 =
  22. 22.4/5 − 2/6 =
  23. 23.2/7 + 1/4 =
  24. 24.2/3 − 1/2 =
  25. 25.2/7 + 1/2 =
  26. 26.6/10 + 4/7 =
  27. 27.2/4 + 6/10 =
  28. 28.3/10 − 2/9 =
  29. 29.1/2 + 9/12 =
  30. 30.2/12 + 5/8 =
  31. 31.1/4 − 2/9 =
  32. 32.2/10 + 2/3 =
  33. 33.5/10 + 5/7 =
  34. 34.9/10 − 5/6 =
  35. 35.6/9 + 4/8 =
  36. 36.9/12 + 1/2 =
  37. 37.1/3 + 6/10 =
  38. 38.3/5 − 1/3 =
  39. 39.9/12 + 1/8 =
  40. 40.7/11 − 2/5 =

Answer key

  1. 7/6
  2. 19/40
  3. 2/15
  4. 1/2
  5. 10/21
  6. 1/18
  7. 7/10
  8. 25/18
  9. 59/56
  10. 69/110
  11. 1/2
  12. 1/10
  13. 5/18
  14. 1
  15. 7/15
  16. 16/33
  17. 33/35
  18. 37/99
  19. 9/14
  20. 29/45
  21. 35/36
  22. 7/15
  23. 15/28
  24. 1/6
  25. 11/14
  26. 41/35
  27. 11/10
  28. 7/90
  29. 5/4
  30. 19/24
  31. 1/36
  32. 13/15
  33. 17/14
  34. 1/15
  35. 7/6
  36. 5/4
  37. 14/15
  38. 4/15
  39. 7/8
  40. 13/55

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