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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 486 · 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. 1.4/5 − 3/9 =
  2. 2.3/9 + 1/3 =
  3. 3.4/6 − 6/11 =
  4. 4.8/9 + 7/12 =
  5. 5.1/4 − 1/6 =
  6. 6.9/10 + 2/6 =
  7. 7.4/10 + 5/12 =
  8. 8.4/11 + 6/7 =
  9. 9.1/2 + 4/5 =
  10. 10.1/3 + 1/4 =
  11. 11.6/11 + 4/10 =
  12. 12.1/5 + 1/2 =
  13. 13.3/4 − 4/9 =
  14. 14.7/8 − 6/8 =
  15. 15.3/7 + 1/5 =
  16. 16.4/5 − 3/7 =
  17. 17.7/11 + 3/9 =
  18. 18.5/8 − 1/2 =
  19. 19.1/8 + 7/11 =
  20. 20.5/6 − 3/6 =
  21. 21.1/2 + 5/6 =
  22. 22.1/2 + 5/8 =
  23. 23.2/9 + 4/11 =
  24. 24.3/4 − 5/12 =
  25. 25.2/4 + 1/3 =
  26. 26.3/9 + 8/10 =
  27. 27.1/2 − 3/11 =
  28. 28.5/6 + 2/4 =
  29. 29.1/2 + 1/2 =
  30. 30.9/12 − 2/9 =
  31. 31.3/6 + 8/11 =
  32. 32.1/7 + 1/2 =
  33. 33.2/3 + 5/7 =
  34. 34.4/11 + 1/3 =
  35. 35.4/5 + 1/2 =
  36. 36.2/4 + 1/9 =
  37. 37.1/4 + 3/8 =
  38. 38.2/11 + 1/5 =
  39. 39.4/11 + 1/4 =
  40. 40.9/10 − 1/10 =

Answer key

  1. 7/15
  2. 2/3
  3. 4/33
  4. 53/36
  5. 1/12
  6. 37/30
  7. 49/60
  8. 94/77
  9. 13/10
  10. 7/12
  11. 52/55
  12. 7/10
  13. 11/36
  14. 1/8
  15. 22/35
  16. 13/35
  17. 32/33
  18. 1/8
  19. 67/88
  20. 1/3
  21. 4/3
  22. 9/8
  23. 58/99
  24. 1/3
  25. 5/6
  26. 17/15
  27. 5/22
  28. 4/3
  29. 1
  30. 19/36
  31. 27/22
  32. 9/14
  33. 29/21
  34. 23/33
  35. 13/10
  36. 11/18
  37. 5/8
  38. 21/55
  39. 27/44
  40. 4/5

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