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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 752 · 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 + 1/2 =
  2. 2.4/6 − 2/11 =
  3. 3.3/6 + 1/7 =
  4. 4.6/9 + 1/9 =
  5. 5.6/8 + 2/9 =
  6. 6.1/2 + 3/5 =
  7. 7.6/9 − 1/2 =
  8. 8.1/8 + 2/9 =
  9. 9.8/9 − 3/4 =
  10. 10.5/10 + 3/11 =
  11. 11.2/12 + 1/2 =
  12. 12.4/7 − 3/7 =
  13. 13.1/5 + 9/12 =
  14. 14.2/3 − 1/8 =
  15. 15.2/8 + 2/11 =
  16. 16.3/12 + 2/10 =
  17. 17.2/9 + 4/7 =
  18. 18.1/3 + 1/2 =
  19. 19.1/3 − 2/8 =
  20. 20.7/8 − 2/5 =
  21. 21.2/3 − 1/6 =
  22. 22.1/2 + 7/8 =
  23. 23.4/8 + 1/9 =
  24. 24.6/10 − 1/2 =
  25. 25.2/6 + 2/5 =
  26. 26.1/5 − 1/9 =
  27. 27.2/4 − 5/11 =
  28. 28.4/10 + 1/3 =
  29. 29.2/5 + 1/4 =
  30. 30.1/2 − 1/6 =
  31. 31.2/4 − 4/12 =
  32. 32.5/10 + 5/8 =
  33. 33.7/11 − 1/3 =
  34. 34.9/12 + 1/4 =
  35. 35.7/12 + 7/12 =
  36. 36.2/7 + 1/10 =
  37. 37.5/7 + 3/6 =
  38. 38.2/3 − 1/2 =
  39. 39.3/10 + 2/3 =
  40. 40.5/7 + 1/2 =

Answer key

  1. 5/4
  2. 16/33
  3. 9/14
  4. 7/9
  5. 35/36
  6. 11/10
  7. 1/6
  8. 25/72
  9. 5/36
  10. 17/22
  11. 2/3
  12. 1/7
  13. 19/20
  14. 13/24
  15. 19/44
  16. 9/20
  17. 50/63
  18. 5/6
  19. 1/12
  20. 19/40
  21. 1/2
  22. 11/8
  23. 11/18
  24. 1/10
  25. 11/15
  26. 4/45
  27. 1/22
  28. 11/15
  29. 13/20
  30. 1/3
  31. 1/6
  32. 9/8
  33. 10/33
  34. 1
  35. 7/6
  36. 27/70
  37. 17/14
  38. 1/6
  39. 29/30
  40. 17/14

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