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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 981 · 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. 1.4/7 − 1/2 =
  2. 2.2/8 + 4/5 =
  3. 3.4/6 − 2/8 =
  4. 4.1/4 + 8/12 =
  5. 5.2/12 + 2/8 =
  6. 6.4/5 − 1/7 =
  7. 7.9/11 + 1/12 =
  8. 8.6/7 + 2/6 =
  9. 9.3/9 + 1/3 =
  10. 10.2/9 + 7/8 =
  11. 11.2/3 − 3/10 =
  12. 12.1/2 + 1/3 =
  13. 13.2/5 − 4/12 =
  14. 14.2/3 − 1/9 =
  15. 15.1/2 − 2/12 =
  16. 16.1/7 + 3/7 =
  17. 17.1/3 + 2/11 =
  18. 18.5/6 + 5/6 =
  19. 19.7/12 + 4/5 =
  20. 20.7/10 − 1/4 =
  21. 21.9/11 + 2/3 =
  22. 22.1/3 − 1/6 =
  23. 23.3/4 − 5/11 =
  24. 24.5/6 + 1/3 =
  25. 25.1/2 + 1/3 =
  26. 26.4/5 − 2/4 =
  27. 27.1/2 + 1/12 =
  28. 28.5/12 − 2/5 =
  29. 29.7/9 − 2/5 =
  30. 30.1/2 + 1/2 =
  31. 31.1/2 − 1/11 =
  32. 32.3/11 − 1/6 =
  33. 33.1/2 + 1/2 =
  34. 34.7/10 + 3/7 =
  35. 35.3/10 + 1/5 =
  36. 36.5/11 − 1/3 =
  37. 37.2/8 + 3/4 =
  38. 38.5/10 + 3/6 =
  39. 39.3/5 + 1/3 =
  40. 40.2/3 − 1/3 =

Answer key

  1. 1/14
  2. 21/20
  3. 5/12
  4. 11/12
  5. 5/12
  6. 23/35
  7. 119/132
  8. 25/21
  9. 2/3
  10. 79/72
  11. 11/30
  12. 5/6
  13. 1/15
  14. 5/9
  15. 1/3
  16. 4/7
  17. 17/33
  18. 5/3
  19. 83/60
  20. 9/20
  21. 49/33
  22. 1/6
  23. 13/44
  24. 7/6
  25. 5/6
  26. 3/10
  27. 7/12
  28. 1/60
  29. 17/45
  30. 1
  31. 9/22
  32. 7/66
  33. 1
  34. 79/70
  35. 1/2
  36. 4/33
  37. 1
  38. 1
  39. 14/15
  40. 1/3

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