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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 130 · 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. 1.3/5 + 3/4 =
  2. 2.3/4 − 1/3 =
  3. 3.1/4 + 1/6 =
  4. 4.7/10 − 3/10 =
  5. 5.7/10 + 3/5 =
  6. 6.1/2 + 1/12 =
  7. 7.2/11 + 3/9 =
  8. 8.2/4 + 5/6 =
  9. 9.1/3 + 1/12 =
  10. 10.1/5 + 9/10 =
  11. 11.1/6 + 1/7 =
  12. 12.2/7 − 1/6 =
  13. 13.3/4 − 3/12 =
  14. 14.2/3 + 2/9 =
  15. 15.4/6 + 6/9 =
  16. 16.1/2 + 1/9 =
  17. 17.4/11 + 1/2 =
  18. 18.1/3 + 5/7 =
  19. 19.4/5 − 2/3 =
  20. 20.2/5 + 6/10 =
  21. 21.3/11 − 2/8 =
  22. 22.2/10 + 1/8 =
  23. 23.8/9 − 8/12 =
  24. 24.4/7 − 1/8 =
  25. 25.4/5 − 1/5 =
  26. 26.4/5 − 1/2 =
  27. 27.4/7 − 1/2 =
  28. 28.4/6 − 4/7 =
  29. 29.4/6 + 4/7 =
  30. 30.3/11 + 6/10 =
  31. 31.5/10 + 4/11 =
  32. 32.3/4 + 9/12 =
  33. 33.8/9 − 7/9 =
  34. 34.6/11 + 2/7 =
  35. 35.6/11 + 3/4 =
  36. 36.8/10 − 1/4 =
  37. 37.3/11 + 3/4 =
  38. 38.4/5 + 6/10 =
  39. 39.2/4 + 1/8 =
  40. 40.8/10 + 1/11 =

Answer key

  1. 27/20
  2. 5/12
  3. 5/12
  4. 2/5
  5. 13/10
  6. 7/12
  7. 17/33
  8. 4/3
  9. 5/12
  10. 11/10
  11. 13/42
  12. 5/42
  13. 1/2
  14. 8/9
  15. 4/3
  16. 11/18
  17. 19/22
  18. 22/21
  19. 2/15
  20. 1
  21. 1/44
  22. 13/40
  23. 2/9
  24. 25/56
  25. 3/5
  26. 3/10
  27. 1/14
  28. 2/21
  29. 26/21
  30. 48/55
  31. 19/22
  32. 3/2
  33. 1/9
  34. 64/77
  35. 57/44
  36. 11/20
  37. 45/44
  38. 7/5
  39. 5/8
  40. 49/55

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