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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 596 · 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. 1.1/3 − 2/11 =
  2. 2.9/12 − 5/10 =
  3. 3.1/2 + 1/12 =
  4. 4.4/5 + 1/2 =
  5. 5.5/6 + 9/12 =
  6. 6.7/8 − 4/12 =
  7. 7.4/5 − 5/7 =
  8. 8.1/2 − 1/3 =
  9. 9.3/9 + 4/10 =
  10. 10.3/9 − 2/8 =
  11. 11.6/11 − 1/2 =
  12. 12.4/10 + 4/7 =
  13. 13.10/11 + 1/10 =
  14. 14.1/2 + 2/4 =
  15. 15.4/10 + 1/4 =
  16. 16.2/9 + 1/11 =
  17. 17.3/6 − 2/10 =
  18. 18.2/9 + 5/7 =
  19. 19.11/12 − 1/2 =
  20. 20.10/11 + 1/2 =
  21. 21.3/5 − 1/2 =
  22. 22.1/2 + 4/8 =
  23. 23.2/5 − 1/3 =
  24. 24.5/10 + 10/12 =
  25. 25.2/3 + 7/8 =
  26. 26.5/7 − 6/12 =
  27. 27.3/6 − 3/10 =
  28. 28.1/2 − 1/3 =
  29. 29.9/11 − 1/9 =
  30. 30.3/6 − 5/11 =
  31. 31.2/7 + 1/2 =
  32. 32.2/3 − 4/12 =
  33. 33.5/6 + 3/5 =
  34. 34.1/5 + 1/4 =
  35. 35.8/11 + 1/3 =
  36. 36.8/9 + 1/2 =
  37. 37.7/8 + 4/10 =
  38. 38.1/6 + 3/4 =
  39. 39.2/4 + 1/2 =
  40. 40.4/12 − 1/4 =

Answer key

  1. 5/33
  2. 1/4
  3. 7/12
  4. 13/10
  5. 19/12
  6. 13/24
  7. 3/35
  8. 1/6
  9. 11/15
  10. 1/12
  11. 1/22
  12. 34/35
  13. 111/110
  14. 1
  15. 13/20
  16. 31/99
  17. 3/10
  18. 59/63
  19. 5/12
  20. 31/22
  21. 1/10
  22. 1
  23. 1/15
  24. 4/3
  25. 37/24
  26. 3/14
  27. 1/5
  28. 1/6
  29. 70/99
  30. 1/22
  31. 11/14
  32. 1/3
  33. 43/30
  34. 9/20
  35. 35/33
  36. 25/18
  37. 51/40
  38. 11/12
  39. 1
  40. 1/12

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