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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 264 · 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. 1.1/2 − 3/11 =
  2. 2.3/5 + 8/11 =
  3. 3.2/7 + 10/12 =
  4. 4.1/10 + 3/5 =
  5. 5.8/11 − 2/4 =
  6. 6.4/11 + 1/2 =
  7. 7.1/5 + 1/2 =
  8. 8.9/10 + 1/2 =
  9. 9.3/4 + 3/11 =
  10. 10.7/9 − 2/5 =
  11. 11.2/7 + 4/9 =
  12. 12.2/5 + 1/6 =
  13. 13.1/2 + 6/10 =
  14. 14.1/6 + 3/6 =
  15. 15.4/5 − 6/9 =
  16. 16.2/3 + 3/8 =
  17. 17.2/9 − 1/6 =
  18. 18.4/6 − 1/4 =
  19. 19.2/3 − 1/3 =
  20. 20.3/5 + 2/9 =
  21. 21.3/4 + 3/4 =
  22. 22.3/4 − 3/7 =
  23. 23.1/4 + 3/5 =
  24. 24.10/11 − 1/2 =
  25. 25.3/6 + 4/5 =
  26. 26.2/5 − 3/12 =
  27. 27.10/12 − 8/10 =
  28. 28.5/10 + 3/4 =
  29. 29.2/3 − 2/10 =
  30. 30.2/3 − 2/4 =
  31. 31.6/9 − 1/2 =
  32. 32.4/5 + 4/6 =
  33. 33.4/5 − 2/4 =
  34. 34.10/12 − 1/10 =
  35. 35.1/4 − 2/10 =
  36. 36.2/3 + 2/6 =
  37. 37.5/7 + 1/2 =
  38. 38.1/3 + 3/6 =
  39. 39.2/3 + 4/8 =
  40. 40.4/6 − 4/9 =

Answer key

  1. 5/22
  2. 73/55
  3. 47/42
  4. 7/10
  5. 5/22
  6. 19/22
  7. 7/10
  8. 7/5
  9. 45/44
  10. 17/45
  11. 46/63
  12. 17/30
  13. 11/10
  14. 2/3
  15. 2/15
  16. 25/24
  17. 1/18
  18. 5/12
  19. 1/3
  20. 37/45
  21. 3/2
  22. 9/28
  23. 17/20
  24. 9/22
  25. 13/10
  26. 3/20
  27. 1/30
  28. 5/4
  29. 7/15
  30. 1/6
  31. 1/6
  32. 22/15
  33. 3/10
  34. 11/15
  35. 1/20
  36. 1
  37. 17/14
  38. 5/6
  39. 7/6
  40. 2/9

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