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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 219 · 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. 1.5/6 − 1/3 =
  2. 2.8/12 − 2/7 =
  3. 3.2/3 + 3/5 =
  4. 4.5/6 + 7/11 =
  5. 5.4/5 + 2/10 =
  6. 6.8/10 − 1/4 =
  7. 7.3/10 + 1/5 =
  8. 8.4/11 + 4/12 =
  9. 9.5/7 − 7/10 =
  10. 10.2/8 + 1/2 =
  11. 11.3/4 + 1/2 =
  12. 12.4/5 − 3/10 =
  13. 13.3/7 + 6/7 =
  14. 14.7/10 − 1/3 =
  15. 15.3/6 + 1/3 =
  16. 16.5/6 + 8/10 =
  17. 17.3/4 + 9/10 =
  18. 18.4/12 + 1/2 =
  19. 19.8/12 + 6/9 =
  20. 20.5/9 − 1/2 =
  21. 21.6/7 + 5/9 =
  22. 22.3/7 + 2/6 =
  23. 23.6/7 + 3/4 =
  24. 24.1/3 − 1/10 =
  25. 25.1/4 + 4/12 =
  26. 26.2/9 + 3/4 =
  27. 27.1/4 + 3/7 =
  28. 28.1/6 + 10/12 =
  29. 29.6/7 + 2/6 =
  30. 30.10/12 + 7/12 =
  31. 31.3/5 + 1/4 =
  32. 32.10/12 + 2/3 =
  33. 33.2/5 + 4/10 =
  34. 34.3/4 + 7/8 =
  35. 35.2/3 + 6/10 =
  36. 36.3/5 + 1/4 =
  37. 37.1/2 − 3/11 =
  38. 38.1/5 + 3/7 =
  39. 39.5/7 − 2/8 =
  40. 40.5/9 − 1/8 =

Answer key

  1. 1/2
  2. 8/21
  3. 19/15
  4. 97/66
  5. 1
  6. 11/20
  7. 1/2
  8. 23/33
  9. 1/70
  10. 3/4
  11. 5/4
  12. 1/2
  13. 9/7
  14. 11/30
  15. 5/6
  16. 49/30
  17. 33/20
  18. 5/6
  19. 4/3
  20. 1/18
  21. 89/63
  22. 16/21
  23. 45/28
  24. 7/30
  25. 7/12
  26. 35/36
  27. 19/28
  28. 1
  29. 25/21
  30. 17/12
  31. 17/20
  32. 3/2
  33. 4/5
  34. 13/8
  35. 19/15
  36. 17/20
  37. 5/22
  38. 22/35
  39. 13/28
  40. 31/72

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