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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 273 · 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. 1.2/5 − 1/4 =
  2. 2.3/11 + 1/2 =
  3. 3.8/10 + 5/9 =
  4. 4.3/6 + 2/9 =
  5. 5.9/11 + 1/12 =
  6. 6.3/6 − 1/4 =
  7. 7.3/4 − 6/11 =
  8. 8.5/12 + 2/8 =
  9. 9.5/11 + 1/2 =
  10. 10.1/2 + 3/6 =
  11. 11.4/6 + 3/11 =
  12. 12.1/3 + 4/9 =
  13. 13.8/10 + 1/2 =
  14. 14.1/4 + 4/7 =
  15. 15.9/12 + 1/4 =
  16. 16.1/3 + 6/9 =
  17. 17.2/7 + 2/4 =
  18. 18.1/3 + 3/10 =
  19. 19.1/3 + 5/7 =
  20. 20.2/6 − 1/9 =
  21. 21.7/10 − 5/8 =
  22. 22.2/10 − 1/8 =
  23. 23.3/4 − 6/10 =
  24. 24.2/8 + 1/4 =
  25. 25.6/10 − 3/8 =
  26. 26.4/11 + 2/3 =
  27. 27.8/11 − 2/7 =
  28. 28.1/6 + 5/7 =
  29. 29.7/10 + 1/3 =
  30. 30.10/12 − 1/11 =
  31. 31.2/11 + 4/8 =
  32. 32.4/8 − 1/6 =
  33. 33.3/5 − 2/4 =
  34. 34.4/5 − 1/8 =
  35. 35.3/8 − 3/12 =
  36. 36.1/4 + 1/2 =
  37. 37.1/2 + 1/3 =
  38. 38.6/7 − 1/2 =
  39. 39.5/9 − 1/4 =
  40. 40.6/12 + 3/7 =

Answer key

  1. 3/20
  2. 17/22
  3. 61/45
  4. 13/18
  5. 119/132
  6. 1/4
  7. 9/44
  8. 2/3
  9. 21/22
  10. 1
  11. 31/33
  12. 7/9
  13. 13/10
  14. 23/28
  15. 1
  16. 1
  17. 11/14
  18. 19/30
  19. 22/21
  20. 2/9
  21. 3/40
  22. 3/40
  23. 3/20
  24. 1/2
  25. 9/40
  26. 34/33
  27. 34/77
  28. 37/42
  29. 31/30
  30. 49/66
  31. 15/22
  32. 1/3
  33. 1/10
  34. 27/40
  35. 1/8
  36. 3/4
  37. 5/6
  38. 5/14
  39. 11/36
  40. 13/14

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