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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 431 · 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. 1.1/4 − 2/10 =
  2. 2.3/9 + 1/5 =
  3. 3.2/4 + 1/2 =
  4. 4.8/11 − 2/3 =
  5. 5.4/6 + 4/9 =
  6. 6.4/5 + 2/3 =
  7. 7.7/12 − 1/5 =
  8. 8.4/5 − 5/7 =
  9. 9.4/8 + 6/7 =
  10. 10.3/8 − 1/10 =
  11. 11.1/2 + 1/2 =
  12. 12.1/5 + 4/5 =
  13. 13.4/5 + 2/7 =
  14. 14.2/4 − 1/5 =
  15. 15.1/9 + 3/12 =
  16. 16.1/4 + 7/9 =
  17. 17.6/7 + 3/12 =
  18. 18.1/12 + 3/11 =
  19. 19.8/9 − 3/4 =
  20. 20.6/9 + 2/8 =
  21. 21.4/10 − 1/5 =
  22. 22.1/2 + 1/3 =
  23. 23.1/4 + 3/6 =
  24. 24.7/10 − 1/4 =
  25. 25.6/8 − 1/2 =
  26. 26.4/10 + 3/6 =
  27. 27.7/8 + 1/2 =
  28. 28.1/2 − 3/10 =
  29. 29.2/3 + 2/3 =
  30. 30.2/6 + 4/6 =
  31. 31.4/6 − 1/9 =
  32. 32.7/9 + 2/3 =
  33. 33.1/3 − 1/7 =
  34. 34.1/3 + 1/2 =
  35. 35.11/12 − 1/11 =
  36. 36.4/7 − 3/12 =
  37. 37.7/10 + 4/6 =
  38. 38.1/2 + 1/12 =
  39. 39.5/11 − 1/4 =
  40. 40.1/2 + 3/6 =

Answer key

  1. 1/20
  2. 8/15
  3. 1
  4. 2/33
  5. 10/9
  6. 22/15
  7. 23/60
  8. 3/35
  9. 19/14
  10. 11/40
  11. 1
  12. 1
  13. 38/35
  14. 3/10
  15. 13/36
  16. 37/36
  17. 31/28
  18. 47/132
  19. 5/36
  20. 11/12
  21. 1/5
  22. 5/6
  23. 3/4
  24. 9/20
  25. 1/4
  26. 9/10
  27. 11/8
  28. 1/5
  29. 4/3
  30. 1
  31. 5/9
  32. 13/9
  33. 4/21
  34. 5/6
  35. 109/132
  36. 9/28
  37. 41/30
  38. 7/12
  39. 9/44
  40. 1

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