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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 370 · 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. 1.9/11 − 2/3 =
  2. 2.1/4 + 2/7 =
  3. 3.4/9 + 2/8 =
  4. 4.1/6 + 6/7 =
  5. 5.1/2 + 8/9 =
  6. 6.2/5 + 5/11 =
  7. 7.1/2 + 2/4 =
  8. 8.5/6 + 6/11 =
  9. 9.3/4 + 1/2 =
  10. 10.2/3 − 3/12 =
  11. 11.2/3 + 4/7 =
  12. 12.1/2 + 7/9 =
  13. 13.4/5 − 6/11 =
  14. 14.2/4 + 2/11 =
  15. 15.6/10 − 3/12 =
  16. 16.6/10 + 6/7 =
  17. 17.8/9 + 1/4 =
  18. 18.4/8 − 1/10 =
  19. 19.8/10 − 1/6 =
  20. 20.2/3 − 1/4 =
  21. 21.1/2 − 3/12 =
  22. 22.6/7 + 8/11 =
  23. 23.10/12 − 4/5 =
  24. 24.3/4 + 7/8 =
  25. 25.6/10 − 1/4 =
  26. 26.1/3 + 2/5 =
  27. 27.2/12 + 5/6 =
  28. 28.4/11 + 1/6 =
  29. 29.9/10 + 1/2 =
  30. 30.4/8 + 2/6 =
  31. 31.1/2 − 3/7 =
  32. 32.6/8 − 4/6 =
  33. 33.2/3 + 3/4 =
  34. 34.1/3 + 5/6 =
  35. 35.2/3 + 1/5 =
  36. 36.1/2 + 2/8 =
  37. 37.1/2 − 5/12 =
  38. 38.1/2 + 2/8 =
  39. 39.8/11 + 1/2 =
  40. 40.2/3 + 1/2 =

Answer key

  1. 5/33
  2. 15/28
  3. 25/36
  4. 43/42
  5. 25/18
  6. 47/55
  7. 1
  8. 91/66
  9. 5/4
  10. 5/12
  11. 26/21
  12. 23/18
  13. 14/55
  14. 15/22
  15. 7/20
  16. 51/35
  17. 41/36
  18. 2/5
  19. 19/30
  20. 5/12
  21. 1/4
  22. 122/77
  23. 1/30
  24. 13/8
  25. 7/20
  26. 11/15
  27. 1
  28. 35/66
  29. 7/5
  30. 5/6
  31. 1/14
  32. 1/12
  33. 17/12
  34. 7/6
  35. 13/15
  36. 3/4
  37. 1/12
  38. 3/4
  39. 27/22
  40. 7/6

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