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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 363 · 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. 1.5/11 + 1/6 =
  2. 2.2/7 + 2/4 =
  3. 3.2/6 − 2/8 =
  4. 4.6/8 − 1/2 =
  5. 5.3/4 − 1/9 =
  6. 6.9/11 + 5/9 =
  7. 7.4/6 + 2/3 =
  8. 8.6/7 − 3/4 =
  9. 9.2/3 − 1/3 =
  10. 10.2/3 + 7/8 =
  11. 11.1/3 − 1/4 =
  12. 12.3/7 + 6/9 =
  13. 13.3/4 − 6/10 =
  14. 14.6/7 − 1/4 =
  15. 15.1/2 − 2/10 =
  16. 16.3/8 + 1/5 =
  17. 17.2/4 + 2/3 =
  18. 18.8/10 − 1/2 =
  19. 19.4/9 + 2/3 =
  20. 20.4/6 − 1/11 =
  21. 21.2/3 + 2/3 =
  22. 22.8/9 − 7/11 =
  23. 23.3/10 − 1/7 =
  24. 24.5/9 − 1/2 =
  25. 25.8/10 − 1/2 =
  26. 26.1/4 + 9/10 =
  27. 27.7/11 − 5/10 =
  28. 28.10/12 − 1/12 =
  29. 29.1/2 + 1/4 =
  30. 30.1/5 + 1/5 =
  31. 31.1/7 + 6/8 =
  32. 32.2/9 + 1/4 =
  33. 33.1/5 − 1/9 =
  34. 34.1/2 + 3/4 =
  35. 35.3/5 − 2/9 =
  36. 36.1/3 + 1/2 =
  37. 37.4/8 + 1/2 =
  38. 38.5/8 − 1/11 =
  39. 39.3/6 + 1/2 =
  40. 40.8/9 + 2/12 =

Answer key

  1. 41/66
  2. 11/14
  3. 1/12
  4. 1/4
  5. 23/36
  6. 136/99
  7. 4/3
  8. 3/28
  9. 1/3
  10. 37/24
  11. 1/12
  12. 23/21
  13. 3/20
  14. 17/28
  15. 3/10
  16. 23/40
  17. 7/6
  18. 3/10
  19. 10/9
  20. 19/33
  21. 4/3
  22. 25/99
  23. 11/70
  24. 1/18
  25. 3/10
  26. 23/20
  27. 3/22
  28. 3/4
  29. 3/4
  30. 2/5
  31. 25/28
  32. 17/36
  33. 4/45
  34. 5/4
  35. 17/45
  36. 5/6
  37. 1
  38. 47/88
  39. 1
  40. 19/18

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