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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 893 · 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. 1.6/10 − 2/12 =
  2. 2.1/4 + 1/2 =
  3. 3.3/5 + 4/11 =
  4. 4.1/2 − 4/12 =
  5. 5.2/6 − 1/11 =
  6. 6.7/9 − 3/10 =
  7. 7.9/10 + 2/12 =
  8. 8.6/12 + 6/9 =
  9. 9.3/4 − 1/2 =
  10. 10.4/9 + 5/8 =
  11. 11.8/9 − 1/3 =
  12. 12.1/12 + 3/12 =
  13. 13.6/10 + 5/8 =
  14. 14.2/3 + 1/3 =
  15. 15.8/10 − 2/3 =
  16. 16.3/5 − 2/7 =
  17. 17.8/12 + 1/10 =
  18. 18.3/10 + 1/2 =
  19. 19.5/7 − 2/4 =
  20. 20.2/3 − 1/2 =
  21. 21.1/6 + 6/8 =
  22. 22.1/7 + 5/10 =
  23. 23.1/4 + 1/2 =
  24. 24.1/3 + 2/5 =
  25. 25.1/2 + 1/4 =
  26. 26.3/10 + 7/8 =
  27. 27.5/7 − 3/8 =
  28. 28.3/5 + 2/3 =
  29. 29.6/11 + 1/6 =
  30. 30.1/2 + 1/3 =
  31. 31.4/5 − 2/6 =
  32. 32.2/4 + 2/4 =
  33. 33.3/4 − 4/11 =
  34. 34.4/7 − 1/9 =
  35. 35.5/7 − 6/9 =
  36. 36.4/7 − 4/9 =
  37. 37.5/6 − 6/11 =
  38. 38.1/2 − 1/3 =
  39. 39.1/5 + 1/6 =
  40. 40.3/6 + 4/5 =

Answer key

  1. 13/30
  2. 3/4
  3. 53/55
  4. 1/6
  5. 8/33
  6. 43/90
  7. 16/15
  8. 7/6
  9. 1/4
  10. 77/72
  11. 5/9
  12. 1/3
  13. 49/40
  14. 1
  15. 2/15
  16. 11/35
  17. 23/30
  18. 4/5
  19. 3/14
  20. 1/6
  21. 11/12
  22. 9/14
  23. 3/4
  24. 11/15
  25. 3/4
  26. 47/40
  27. 19/56
  28. 19/15
  29. 47/66
  30. 5/6
  31. 7/15
  32. 1
  33. 17/44
  34. 29/63
  35. 1/21
  36. 8/63
  37. 19/66
  38. 1/6
  39. 11/30
  40. 13/10

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