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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 92 · 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. 1.2/6 − 1/4 =
  2. 2.4/6 − 1/4 =
  3. 3.9/10 − 2/6 =
  4. 4.2/7 + 6/10 =
  5. 5.1/10 + 1/8 =
  6. 6.1/3 + 1/2 =
  7. 7.1/4 − 1/7 =
  8. 8.1/2 + 1/4 =
  9. 9.2/7 + 3/4 =
  10. 10.11/12 + 4/6 =
  11. 11.1/5 + 7/8 =
  12. 12.1/10 + 1/2 =
  13. 13.5/7 + 1/3 =
  14. 14.3/5 − 2/4 =
  15. 15.1/4 + 5/8 =
  16. 16.2/9 + 1/2 =
  17. 17.2/11 + 3/11 =
  18. 18.3/12 + 1/4 =
  19. 19.2/9 + 6/11 =
  20. 20.5/12 − 4/12 =
  21. 21.3/5 − 3/6 =
  22. 22.1/4 + 1/4 =
  23. 23.1/10 + 1/8 =
  24. 24.1/2 − 3/8 =
  25. 25.1/7 − 1/10 =
  26. 26.2/6 − 2/9 =
  27. 27.2/9 + 4/5 =
  28. 28.1/6 + 1/2 =
  29. 29.4/6 − 3/8 =
  30. 30.3/9 + 1/2 =
  31. 31.3/8 + 2/7 =
  32. 32.1/6 + 4/10 =
  33. 33.3/4 + 5/6 =
  34. 34.6/7 − 3/11 =
  35. 35.4/9 + 8/11 =
  36. 36.3/4 − 1/3 =
  37. 37.4/5 + 6/11 =
  38. 38.2/3 + 1/5 =
  39. 39.5/6 + 1/2 =
  40. 40.2/9 + 3/4 =

Answer key

  1. 1/12
  2. 5/12
  3. 17/30
  4. 31/35
  5. 9/40
  6. 5/6
  7. 3/28
  8. 3/4
  9. 29/28
  10. 19/12
  11. 43/40
  12. 3/5
  13. 22/21
  14. 1/10
  15. 7/8
  16. 13/18
  17. 5/11
  18. 1/2
  19. 76/99
  20. 1/12
  21. 1/10
  22. 1/2
  23. 9/40
  24. 1/8
  25. 3/70
  26. 1/9
  27. 46/45
  28. 2/3
  29. 7/24
  30. 5/6
  31. 37/56
  32. 17/30
  33. 19/12
  34. 45/77
  35. 116/99
  36. 5/12
  37. 74/55
  38. 13/15
  39. 4/3
  40. 35/36

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