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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 324 · 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. 1.3/9 + 5/9 =
  2. 2.2/11 + 1/4 =
  3. 3.5/6 − 4/7 =
  4. 4.7/9 − 1/4 =
  5. 5.3/10 + 2/11 =
  6. 6.2/4 − 2/8 =
  7. 7.1/2 + 4/8 =
  8. 8.8/10 + 6/12 =
  9. 9.8/9 + 7/10 =
  10. 10.2/4 − 1/6 =
  11. 11.1/6 + 2/3 =
  12. 12.2/3 − 1/2 =
  13. 13.7/12 + 2/10 =
  14. 14.1/3 + 1/4 =
  15. 15.7/9 + 3/8 =
  16. 16.7/8 + 2/5 =
  17. 17.2/3 − 5/10 =
  18. 18.1/2 + 9/11 =
  19. 19.7/11 − 1/8 =
  20. 20.6/7 − 4/6 =
  21. 21.5/9 − 1/6 =
  22. 22.9/11 + 8/10 =
  23. 23.2/4 − 2/8 =
  24. 24.9/12 + 2/11 =
  25. 25.1/8 + 2/7 =
  26. 26.1/2 + 4/12 =
  27. 27.3/4 − 2/4 =
  28. 28.3/4 − 3/7 =
  29. 29.6/11 − 1/2 =
  30. 30.3/6 + 1/2 =
  31. 31.3/9 + 6/7 =
  32. 32.7/8 + 1/3 =
  33. 33.6/8 − 4/6 =
  34. 34.2/12 + 4/9 =
  35. 35.2/9 + 3/5 =
  36. 36.1/3 + 1/3 =
  37. 37.4/9 + 2/11 =
  38. 38.3/4 + 1/2 =
  39. 39.5/6 − 9/12 =
  40. 40.6/9 − 2/4 =

Answer key

  1. 8/9
  2. 19/44
  3. 11/42
  4. 19/36
  5. 53/110
  6. 1/4
  7. 1
  8. 13/10
  9. 143/90
  10. 1/3
  11. 5/6
  12. 1/6
  13. 47/60
  14. 7/12
  15. 83/72
  16. 51/40
  17. 1/6
  18. 29/22
  19. 45/88
  20. 4/21
  21. 7/18
  22. 89/55
  23. 1/4
  24. 41/44
  25. 23/56
  26. 5/6
  27. 1/4
  28. 9/28
  29. 1/22
  30. 1
  31. 25/21
  32. 29/24
  33. 1/12
  34. 11/18
  35. 37/45
  36. 2/3
  37. 62/99
  38. 5/4
  39. 1/12
  40. 1/6

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