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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 260 · 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. 1.6/9 − 1/3 =
  2. 2.7/8 − 3/4 =
  3. 3.3/6 + 4/6 =
  4. 4.1/2 + 3/4 =
  5. 5.2/7 + 1/5 =
  6. 6.4/5 + 1/2 =
  7. 7.7/11 − 2/11 =
  8. 8.1/5 + 3/11 =
  9. 9.4/5 − 1/5 =
  10. 10.3/6 + 5/9 =
  11. 11.1/2 + 4/8 =
  12. 12.1/2 − 3/8 =
  13. 13.9/12 + 2/9 =
  14. 14.1/2 + 1/2 =
  15. 15.1/3 + 4/7 =
  16. 16.5/6 + 3/12 =
  17. 17.7/11 − 1/5 =
  18. 18.5/11 − 2/5 =
  19. 19.1/2 + 3/11 =
  20. 20.4/5 − 1/2 =
  21. 21.5/8 − 1/2 =
  22. 22.3/4 − 1/10 =
  23. 23.5/6 + 2/5 =
  24. 24.2/4 + 2/12 =
  25. 25.3/9 + 1/4 =
  26. 26.1/8 + 2/4 =
  27. 27.7/9 + 1/3 =
  28. 28.1/8 + 1/4 =
  29. 29.1/2 + 7/12 =
  30. 30.3/10 + 2/3 =
  31. 31.5/11 − 1/3 =
  32. 32.2/4 + 1/4 =
  33. 33.1/6 + 4/9 =
  34. 34.1/3 + 1/3 =
  35. 35.2/3 + 7/10 =
  36. 36.7/8 − 1/2 =
  37. 37.2/5 − 1/5 =
  38. 38.3/4 − 8/12 =
  39. 39.4/7 + 2/5 =
  40. 40.3/10 + 5/10 =

Answer key

  1. 1/3
  2. 1/8
  3. 7/6
  4. 5/4
  5. 17/35
  6. 13/10
  7. 5/11
  8. 26/55
  9. 3/5
  10. 19/18
  11. 1
  12. 1/8
  13. 35/36
  14. 1
  15. 19/21
  16. 13/12
  17. 24/55
  18. 3/55
  19. 17/22
  20. 3/10
  21. 1/8
  22. 13/20
  23. 37/30
  24. 2/3
  25. 7/12
  26. 5/8
  27. 10/9
  28. 3/8
  29. 13/12
  30. 29/30
  31. 4/33
  32. 3/4
  33. 11/18
  34. 2/3
  35. 41/30
  36. 3/8
  37. 1/5
  38. 1/12
  39. 34/35
  40. 4/5

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