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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 515 · 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. 1.2/5 + 1/11 =
  2. 2.6/7 − 1/5 =
  3. 3.2/10 + 1/3 =
  4. 4.6/10 + 2/9 =
  5. 5.6/10 + 4/5 =
  6. 6.6/8 + 1/3 =
  7. 7.6/12 − 1/5 =
  8. 8.9/12 + 1/6 =
  9. 9.7/8 − 1/7 =
  10. 10.3/4 − 4/7 =
  11. 11.5/9 − 1/3 =
  12. 12.4/6 − 3/8 =
  13. 13.3/4 + 1/5 =
  14. 14.3/4 + 7/12 =
  15. 15.1/4 + 11/12 =
  16. 16.2/3 + 1/2 =
  17. 17.3/8 − 1/3 =
  18. 18.5/12 + 1/2 =
  19. 19.1/2 + 8/11 =
  20. 20.4/12 − 2/11 =
  21. 21.2/11 + 1/6 =
  22. 22.4/6 − 3/10 =
  23. 23.3/4 − 1/3 =
  24. 24.1/2 − 2/5 =
  25. 25.3/4 − 3/6 =
  26. 26.8/10 − 4/8 =
  27. 27.1/5 + 5/8 =
  28. 28.1/4 + 4/6 =
  29. 29.4/10 + 6/9 =
  30. 30.1/3 − 1/11 =
  31. 31.8/9 − 5/7 =
  32. 32.5/7 + 8/10 =
  33. 33.8/10 + 6/9 =
  34. 34.1/2 + 1/10 =
  35. 35.3/7 + 2/8 =
  36. 36.5/8 − 1/3 =
  37. 37.4/7 − 1/2 =
  38. 38.2/3 + 3/8 =
  39. 39.9/11 + 3/11 =
  40. 40.2/9 + 1/2 =

Answer key

  1. 27/55
  2. 23/35
  3. 8/15
  4. 37/45
  5. 7/5
  6. 13/12
  7. 3/10
  8. 11/12
  9. 41/56
  10. 5/28
  11. 2/9
  12. 7/24
  13. 19/20
  14. 4/3
  15. 7/6
  16. 7/6
  17. 1/24
  18. 11/12
  19. 27/22
  20. 5/33
  21. 23/66
  22. 11/30
  23. 5/12
  24. 1/10
  25. 1/4
  26. 3/10
  27. 33/40
  28. 11/12
  29. 16/15
  30. 8/33
  31. 11/63
  32. 53/35
  33. 22/15
  34. 3/5
  35. 19/28
  36. 7/24
  37. 1/14
  38. 25/24
  39. 12/11
  40. 13/18

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