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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 259 · 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. 1.4/6 − 1/2 =
  2. 2.2/8 + 1/2 =
  3. 3.4/6 − 1/4 =
  4. 4.1/2 − 1/8 =
  5. 5.5/10 − 3/9 =
  6. 6.8/10 + 5/7 =
  7. 7.2/3 + 3/4 =
  8. 8.6/8 + 1/2 =
  9. 9.4/12 + 2/6 =
  10. 10.7/10 + 2/11 =
  11. 11.1/4 + 1/10 =
  12. 12.7/12 − 1/10 =
  13. 13.1/2 + 1/2 =
  14. 14.1/4 + 10/11 =
  15. 15.1/10 + 1/2 =
  16. 16.2/7 + 7/9 =
  17. 17.2/3 + 1/3 =
  18. 18.4/6 + 1/3 =
  19. 19.5/6 + 4/5 =
  20. 20.2/5 + 3/5 =
  21. 21.2/3 − 1/4 =
  22. 22.2/8 + 9/12 =
  23. 23.3/10 + 2/3 =
  24. 24.11/12 + 6/7 =
  25. 25.5/6 + 2/9 =
  26. 26.3/6 + 2/4 =
  27. 27.9/10 − 2/5 =
  28. 28.4/5 + 4/10 =
  29. 29.1/4 + 3/4 =
  30. 30.6/10 − 4/9 =
  31. 31.8/11 − 2/3 =
  32. 32.11/12 + 1/2 =
  33. 33.2/7 − 2/11 =
  34. 34.3/5 + 1/7 =
  35. 35.3/5 + 2/4 =
  36. 36.4/12 + 1/4 =
  37. 37.4/7 + 2/3 =
  38. 38.1/6 + 1/5 =
  39. 39.6/12 − 4/12 =
  40. 40.1/3 + 1/7 =

Answer key

  1. 1/6
  2. 3/4
  3. 5/12
  4. 3/8
  5. 1/6
  6. 53/35
  7. 17/12
  8. 5/4
  9. 2/3
  10. 97/110
  11. 7/20
  12. 29/60
  13. 1
  14. 51/44
  15. 3/5
  16. 67/63
  17. 1
  18. 1
  19. 49/30
  20. 1
  21. 5/12
  22. 1
  23. 29/30
  24. 149/84
  25. 19/18
  26. 1
  27. 1/2
  28. 6/5
  29. 1
  30. 7/45
  31. 2/33
  32. 17/12
  33. 8/77
  34. 26/35
  35. 11/10
  36. 7/12
  37. 26/21
  38. 11/30
  39. 1/6
  40. 10/21

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