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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 342 · 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. 1.6/7 + 5/10 =
  2. 2.3/4 + 4/6 =
  3. 3.6/9 + 2/8 =
  4. 4.4/8 + 2/6 =
  5. 5.2/6 + 1/2 =
  6. 6.5/12 + 8/9 =
  7. 7.5/8 + 6/7 =
  8. 8.4/5 + 2/4 =
  9. 9.5/7 + 1/4 =
  10. 10.3/4 − 4/7 =
  11. 11.1/2 + 1/2 =
  12. 12.2/3 + 3/5 =
  13. 13.7/10 + 3/4 =
  14. 14.5/10 + 6/8 =
  15. 15.4/7 − 1/10 =
  16. 16.2/5 − 1/5 =
  17. 17.8/9 + 4/11 =
  18. 18.7/9 + 3/6 =
  19. 19.3/11 + 4/6 =
  20. 20.3/5 + 3/11 =
  21. 21.2/3 + 3/5 =
  22. 22.4/5 − 3/5 =
  23. 23.6/12 + 5/6 =
  24. 24.5/6 − 3/6 =
  25. 25.3/11 + 1/5 =
  26. 26.1/4 + 4/11 =
  27. 27.2/4 − 1/4 =
  28. 28.1/2 + 4/10 =
  29. 29.2/3 + 2/4 =
  30. 30.6/10 + 1/2 =
  31. 31.1/2 − 2/5 =
  32. 32.3/9 + 2/3 =
  33. 33.6/9 − 4/8 =
  34. 34.1/2 + 4/10 =
  35. 35.3/10 + 6/7 =
  36. 36.6/10 + 4/12 =
  37. 37.1/11 + 2/3 =
  38. 38.2/12 + 7/10 =
  39. 39.2/3 + 4/8 =
  40. 40.9/10 + 1/2 =

Answer key

  1. 19/14
  2. 17/12
  3. 11/12
  4. 5/6
  5. 5/6
  6. 47/36
  7. 83/56
  8. 13/10
  9. 27/28
  10. 5/28
  11. 1
  12. 19/15
  13. 29/20
  14. 5/4
  15. 33/70
  16. 1/5
  17. 124/99
  18. 23/18
  19. 31/33
  20. 48/55
  21. 19/15
  22. 1/5
  23. 4/3
  24. 1/3
  25. 26/55
  26. 27/44
  27. 1/4
  28. 9/10
  29. 7/6
  30. 11/10
  31. 1/10
  32. 1
  33. 1/6
  34. 9/10
  35. 81/70
  36. 14/15
  37. 25/33
  38. 13/15
  39. 7/6
  40. 7/5

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