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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 564 · 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. 2.1/9 + 1/2 =
  3. 3.8/10 − 1/4 =
  4. 4.1/4 + 1/6 =
  5. 5.4/6 + 10/12 =
  6. 6.3/5 − 1/9 =
  7. 7.7/10 + 4/11 =
  8. 8.1/11 + 5/8 =
  9. 9.6/11 + 4/10 =
  10. 10.4/7 + 7/10 =
  11. 11.9/11 − 2/3 =
  12. 12.8/11 + 1/3 =
  13. 13.1/2 + 2/5 =
  14. 14.5/7 − 1/3 =
  15. 15.4/10 + 5/10 =
  16. 16.5/9 + 2/12 =
  17. 17.10/11 + 3/7 =
  18. 18.7/9 − 2/3 =
  19. 19.6/9 − 6/12 =
  20. 20.1/3 + 4/9 =
  21. 21.5/7 + 7/11 =
  22. 22.7/8 + 2/5 =
  23. 23.2/8 + 3/4 =
  24. 24.5/8 + 1/4 =
  25. 25.1/2 − 1/5 =
  26. 26.9/10 − 3/9 =
  27. 27.8/9 − 5/9 =
  28. 28.8/10 − 2/10 =
  29. 29.1/2 + 2/8 =
  30. 30.1/4 − 2/12 =
  31. 31.2/7 + 9/11 =
  32. 32.5/12 + 8/9 =
  33. 33.8/12 + 1/4 =
  34. 34.1/5 + 1/4 =
  35. 35.1/4 + 8/9 =
  36. 36.8/9 − 5/6 =
  37. 37.6/8 + 8/10 =
  38. 38.2/9 + 1/4 =
  39. 39.2/6 + 1/6 =
  40. 40.3/5 − 4/8 =

Answer key

  1. 5/4
  2. 11/18
  3. 11/20
  4. 5/12
  5. 3/2
  6. 22/45
  7. 117/110
  8. 63/88
  9. 52/55
  10. 89/70
  11. 5/33
  12. 35/33
  13. 9/10
  14. 8/21
  15. 9/10
  16. 13/18
  17. 103/77
  18. 1/9
  19. 1/6
  20. 7/9
  21. 104/77
  22. 51/40
  23. 1
  24. 7/8
  25. 3/10
  26. 17/30
  27. 1/3
  28. 3/5
  29. 3/4
  30. 1/12
  31. 85/77
  32. 47/36
  33. 11/12
  34. 9/20
  35. 41/36
  36. 1/18
  37. 31/20
  38. 17/36
  39. 1/2
  40. 1/10

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