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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 279 · 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. 1.7/12 + 1/9 =
  2. 2.4/5 + 1/12 =
  3. 3.2/6 + 3/9 =
  4. 4.1/11 + 4/9 =
  5. 5.2/5 + 2/6 =
  6. 6.8/9 − 3/11 =
  7. 7.1/2 + 1/2 =
  8. 8.1/6 + 2/3 =
  9. 9.2/3 + 1/10 =
  10. 10.6/12 + 6/8 =
  11. 11.1/2 − 3/7 =
  12. 12.6/12 + 1/4 =
  13. 13.7/12 + 6/9 =
  14. 14.2/3 + 4/6 =
  15. 15.4/10 − 1/10 =
  16. 16.2/6 + 2/6 =
  17. 17.9/11 + 3/4 =
  18. 18.7/8 − 3/4 =
  19. 19.7/10 − 2/8 =
  20. 20.2/8 + 2/3 =
  21. 21.3/12 − 1/5 =
  22. 22.1/6 + 2/7 =
  23. 23.4/5 + 1/12 =
  24. 24.4/6 + 8/12 =
  25. 25.6/9 + 1/2 =
  26. 26.1/7 + 2/12 =
  27. 27.2/7 + 2/7 =
  28. 28.3/11 + 3/7 =
  29. 29.3/5 − 3/7 =
  30. 30.7/8 + 9/12 =
  31. 31.3/9 + 5/7 =
  32. 32.5/6 − 4/5 =
  33. 33.9/11 + 4/6 =
  34. 34.1/2 + 4/8 =
  35. 35.2/4 − 1/7 =
  36. 36.8/10 + 1/3 =
  37. 37.3/4 + 3/12 =
  38. 38.2/3 + 2/3 =
  39. 39.6/9 − 2/5 =
  40. 40.4/5 + 1/7 =

Answer key

  1. 25/36
  2. 53/60
  3. 2/3
  4. 53/99
  5. 11/15
  6. 61/99
  7. 1
  8. 5/6
  9. 23/30
  10. 5/4
  11. 1/14
  12. 3/4
  13. 5/4
  14. 4/3
  15. 3/10
  16. 2/3
  17. 69/44
  18. 1/8
  19. 9/20
  20. 11/12
  21. 1/20
  22. 19/42
  23. 53/60
  24. 4/3
  25. 7/6
  26. 13/42
  27. 4/7
  28. 54/77
  29. 6/35
  30. 13/8
  31. 22/21
  32. 1/30
  33. 49/33
  34. 1
  35. 5/14
  36. 17/15
  37. 1
  38. 4/3
  39. 4/15
  40. 33/35

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