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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 378 · 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. 1.9/10 − 3/5 =
  2. 2.4/7 − 2/5 =
  3. 3.2/6 + 2/3 =
  4. 4.2/4 + 7/11 =
  5. 5.3/11 + 1/4 =
  6. 6.3/4 + 4/6 =
  7. 7.3/12 + 5/12 =
  8. 8.3/4 − 1/5 =
  9. 9.5/7 + 7/10 =
  10. 10.2/4 + 1/4 =
  11. 11.4/5 − 7/10 =
  12. 12.4/10 + 1/5 =
  13. 13.1/6 − 1/9 =
  14. 14.3/12 + 3/4 =
  15. 15.1/2 + 2/3 =
  16. 16.1/2 + 1/7 =
  17. 17.2/3 + 1/4 =
  18. 18.2/3 + 5/6 =
  19. 19.3/11 + 5/7 =
  20. 20.3/4 + 3/4 =
  21. 21.9/11 − 8/12 =
  22. 22.5/9 − 2/8 =
  23. 23.4/11 − 1/6 =
  24. 24.8/11 − 5/11 =
  25. 25.1/2 + 2/6 =
  26. 26.4/7 + 5/6 =
  27. 27.1/3 + 5/6 =
  28. 28.3/4 + 9/10 =
  29. 29.6/7 + 2/3 =
  30. 30.5/9 + 1/2 =
  31. 31.1/6 + 1/9 =
  32. 32.3/4 − 4/8 =
  33. 33.3/7 + 1/2 =
  34. 34.3/9 + 1/3 =
  35. 35.1/3 + 5/6 =
  36. 36.3/6 + 3/10 =
  37. 37.1/2 − 1/3 =
  38. 38.6/8 − 1/8 =
  39. 39.3/5 − 1/4 =
  40. 40.3/7 + 4/6 =

Answer key

  1. 3/10
  2. 6/35
  3. 1
  4. 25/22
  5. 23/44
  6. 17/12
  7. 2/3
  8. 11/20
  9. 99/70
  10. 3/4
  11. 1/10
  12. 3/5
  13. 1/18
  14. 1
  15. 7/6
  16. 9/14
  17. 11/12
  18. 3/2
  19. 76/77
  20. 3/2
  21. 5/33
  22. 11/36
  23. 13/66
  24. 3/11
  25. 5/6
  26. 59/42
  27. 7/6
  28. 33/20
  29. 32/21
  30. 19/18
  31. 5/18
  32. 1/4
  33. 13/14
  34. 2/3
  35. 7/6
  36. 4/5
  37. 1/6
  38. 5/8
  39. 7/20
  40. 23/21

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