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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 27 · 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. 1.5/8 + 5/8 =
  2. 2.6/9 + 2/4 =
  3. 3.1/2 − 3/12 =
  4. 4.5/6 − 7/9 =
  5. 5.6/9 + 1/3 =
  6. 6.2/7 + 5/11 =
  7. 7.1/2 + 5/11 =
  8. 8.3/4 + 1/5 =
  9. 9.1/3 + 1/9 =
  10. 10.2/9 + 1/2 =
  11. 11.1/6 + 9/12 =
  12. 12.2/9 + 1/5 =
  13. 13.2/3 − 3/8 =
  14. 14.9/10 − 2/4 =
  15. 15.3/5 − 1/2 =
  16. 16.4/9 − 1/11 =
  17. 17.6/7 − 5/7 =
  18. 18.4/6 − 6/11 =
  19. 19.5/6 − 2/4 =
  20. 20.1/2 + 1/3 =
  21. 21.5/6 + 1/3 =
  22. 22.10/11 + 1/2 =
  23. 23.8/11 − 1/2 =
  24. 24.7/9 − 1/2 =
  25. 25.5/7 − 1/5 =
  26. 26.1/11 + 3/4 =
  27. 27.6/11 + 1/2 =
  28. 28.2/6 − 1/4 =
  29. 29.1/2 + 5/7 =
  30. 30.2/6 − 1/12 =
  31. 31.1/4 − 2/10 =
  32. 32.3/5 + 4/5 =
  33. 33.2/12 + 3/4 =
  34. 34.1/4 + 1/8 =
  35. 35.1/8 + 1/2 =
  36. 36.2/4 + 2/10 =
  37. 37.7/8 + 5/8 =
  38. 38.4/12 + 1/2 =
  39. 39.1/3 + 3/5 =
  40. 40.6/9 + 11/12 =

Answer key

  1. 5/4
  2. 7/6
  3. 1/4
  4. 1/18
  5. 1
  6. 57/77
  7. 21/22
  8. 19/20
  9. 4/9
  10. 13/18
  11. 11/12
  12. 19/45
  13. 7/24
  14. 2/5
  15. 1/10
  16. 35/99
  17. 1/7
  18. 4/33
  19. 1/3
  20. 5/6
  21. 7/6
  22. 31/22
  23. 5/22
  24. 5/18
  25. 18/35
  26. 37/44
  27. 23/22
  28. 1/12
  29. 17/14
  30. 1/4
  31. 1/20
  32. 7/5
  33. 11/12
  34. 3/8
  35. 5/8
  36. 7/10
  37. 3/2
  38. 5/6
  39. 14/15
  40. 19/12

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