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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 216 · 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. 1.6/7 − 3/4 =
  2. 2.4/5 + 9/12 =
  3. 3.2/9 + 1/2 =
  4. 4.7/10 − 7/11 =
  5. 5.5/11 + 9/12 =
  6. 6.1/4 + 6/11 =
  7. 7.8/9 − 4/12 =
  8. 8.5/8 − 2/8 =
  9. 9.2/3 + 1/7 =
  10. 10.1/2 + 2/6 =
  11. 11.1/2 + 2/9 =
  12. 12.4/10 − 1/4 =
  13. 13.3/4 − 3/5 =
  14. 14.2/3 + 2/11 =
  15. 15.1/5 + 2/3 =
  16. 16.4/9 + 2/3 =
  17. 17.1/9 − 1/10 =
  18. 18.2/3 + 2/3 =
  19. 19.4/6 − 1/2 =
  20. 20.6/7 − 1/4 =
  21. 21.11/12 − 1/2 =
  22. 22.3/8 − 4/12 =
  23. 23.8/9 + 1/6 =
  24. 24.1/10 + 1/2 =
  25. 25.1/5 − 1/8 =
  26. 26.7/10 + 6/12 =
  27. 27.3/5 − 3/6 =
  28. 28.6/7 − 2/4 =
  29. 29.7/8 + 3/9 =
  30. 30.7/11 + 2/4 =
  31. 31.2/3 − 1/5 =
  32. 32.2/9 + 4/7 =
  33. 33.2/4 − 3/8 =
  34. 34.3/5 + 6/7 =
  35. 35.6/12 + 1/2 =
  36. 36.8/10 − 1/5 =
  37. 37.7/11 − 1/2 =
  38. 38.3/4 + 7/9 =
  39. 39.9/10 − 4/6 =
  40. 40.2/6 + 1/3 =

Answer key

  1. 3/28
  2. 31/20
  3. 13/18
  4. 7/110
  5. 53/44
  6. 35/44
  7. 5/9
  8. 3/8
  9. 17/21
  10. 5/6
  11. 13/18
  12. 3/20
  13. 3/20
  14. 28/33
  15. 13/15
  16. 10/9
  17. 1/90
  18. 4/3
  19. 1/6
  20. 17/28
  21. 5/12
  22. 1/24
  23. 19/18
  24. 3/5
  25. 3/40
  26. 6/5
  27. 1/10
  28. 5/14
  29. 29/24
  30. 25/22
  31. 7/15
  32. 50/63
  33. 1/8
  34. 51/35
  35. 1
  36. 3/5
  37. 3/22
  38. 55/36
  39. 7/30
  40. 2/3

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