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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 80 · 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. 1.2/11 + 2/4 =
  2. 2.1/2 + 2/6 =
  3. 3.2/4 + 4/6 =
  4. 4.4/11 + 2/4 =
  5. 5.1/7 + 5/8 =
  6. 6.1/3 + 2/8 =
  7. 7.1/6 + 1/2 =
  8. 8.10/11 − 2/4 =
  9. 9.1/4 + 2/3 =
  10. 10.1/3 + 9/10 =
  11. 11.3/10 + 1/2 =
  12. 12.4/5 − 1/12 =
  13. 13.7/9 + 1/5 =
  14. 14.1/2 + 8/9 =
  15. 15.3/8 + 2/4 =
  16. 16.1/3 + 2/4 =
  17. 17.2/6 + 2/3 =
  18. 18.1/2 + 2/3 =
  19. 19.7/9 − 1/9 =
  20. 20.5/6 + 3/10 =
  21. 21.4/7 − 1/4 =
  22. 22.1/2 + 9/10 =
  23. 23.8/11 − 1/3 =
  24. 24.2/11 − 1/10 =
  25. 25.2/10 + 2/5 =
  26. 26.2/5 + 1/3 =
  27. 27.9/12 − 1/6 =
  28. 28.1/3 + 5/8 =
  29. 29.2/7 + 1/2 =
  30. 30.7/8 − 1/4 =
  31. 31.4/5 + 1/6 =
  32. 32.8/9 − 1/3 =
  33. 33.2/4 + 8/11 =
  34. 34.4/12 + 8/11 =
  35. 35.5/6 + 2/3 =
  36. 36.1/2 − 1/7 =
  37. 37.6/8 − 1/2 =
  38. 38.5/11 − 1/3 =
  39. 39.4/5 − 2/8 =
  40. 40.4/5 + 1/5 =

Answer key

  1. 15/22
  2. 5/6
  3. 7/6
  4. 19/22
  5. 43/56
  6. 7/12
  7. 2/3
  8. 9/22
  9. 11/12
  10. 37/30
  11. 4/5
  12. 43/60
  13. 44/45
  14. 25/18
  15. 7/8
  16. 5/6
  17. 1
  18. 7/6
  19. 2/3
  20. 17/15
  21. 9/28
  22. 7/5
  23. 13/33
  24. 9/110
  25. 3/5
  26. 11/15
  27. 7/12
  28. 23/24
  29. 11/14
  30. 5/8
  31. 29/30
  32. 5/9
  33. 27/22
  34. 35/33
  35. 3/2
  36. 5/14
  37. 1/4
  38. 4/33
  39. 11/20
  40. 1

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