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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 381 · 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. 1.3/6 + 7/11 =
  2. 2.1/3 + 2/10 =
  3. 3.7/10 − 5/10 =
  4. 4.3/12 + 1/3 =
  5. 5.3/5 + 1/2 =
  6. 6.2/6 + 7/9 =
  7. 7.2/4 − 1/9 =
  8. 8.8/10 − 2/3 =
  9. 9.5/7 + 2/4 =
  10. 10.1/8 + 1/8 =
  11. 11.5/7 − 2/7 =
  12. 12.7/8 − 1/2 =
  13. 13.5/6 + 3/4 =
  14. 14.1/2 − 2/10 =
  15. 15.9/11 − 1/2 =
  16. 16.8/11 − 1/4 =
  17. 17.3/12 + 3/10 =
  18. 18.6/11 + 4/9 =
  19. 19.6/10 − 1/7 =
  20. 20.3/5 + 5/11 =
  21. 21.1/2 − 1/4 =
  22. 22.1/2 − 3/7 =
  23. 23.1/6 + 1/2 =
  24. 24.3/7 + 1/2 =
  25. 25.2/3 + 8/11 =
  26. 26.5/10 + 1/2 =
  27. 27.6/7 − 6/12 =
  28. 28.1/2 + 6/8 =
  29. 29.1/10 + 2/3 =
  30. 30.1/4 + 5/6 =
  31. 31.3/6 + 1/5 =
  32. 32.3/4 + 1/2 =
  33. 33.10/12 + 1/3 =
  34. 34.1/3 − 3/10 =
  35. 35.3/7 + 1/2 =
  36. 36.3/9 + 8/12 =
  37. 37.2/3 + 7/8 =
  38. 38.1/4 + 1/4 =
  39. 39.2/11 + 8/12 =
  40. 40.1/2 − 2/10 =

Answer key

  1. 25/22
  2. 8/15
  3. 1/5
  4. 7/12
  5. 11/10
  6. 10/9
  7. 7/18
  8. 2/15
  9. 17/14
  10. 1/4
  11. 3/7
  12. 3/8
  13. 19/12
  14. 3/10
  15. 7/22
  16. 21/44
  17. 11/20
  18. 98/99
  19. 16/35
  20. 58/55
  21. 1/4
  22. 1/14
  23. 2/3
  24. 13/14
  25. 46/33
  26. 1
  27. 5/14
  28. 5/4
  29. 23/30
  30. 13/12
  31. 7/10
  32. 5/4
  33. 7/6
  34. 1/30
  35. 13/14
  36. 1
  37. 37/24
  38. 1/2
  39. 28/33
  40. 3/10

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