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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 239 · 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. 1.4/11 + 10/11 =
  2. 2.2/3 − 3/5 =
  3. 3.2/3 + 1/8 =
  4. 4.3/6 + 6/11 =
  5. 5.10/12 + 5/11 =
  6. 6.6/8 − 2/9 =
  7. 7.4/9 − 2/8 =
  8. 8.1/2 + 4/12 =
  9. 9.5/10 − 2/8 =
  10. 10.4/9 − 2/10 =
  11. 11.1/4 + 1/5 =
  12. 12.4/5 − 1/2 =
  13. 13.3/8 + 1/2 =
  14. 14.2/5 + 3/6 =
  15. 15.2/5 + 2/4 =
  16. 16.1/3 + 1/4 =
  17. 17.2/4 + 3/4 =
  18. 18.2/3 + 4/8 =
  19. 19.4/5 − 5/8 =
  20. 20.8/11 − 4/7 =
  21. 21.8/10 − 1/10 =
  22. 22.3/4 − 1/6 =
  23. 23.2/7 + 1/4 =
  24. 24.2/8 + 8/9 =
  25. 25.3/7 − 1/12 =
  26. 26.1/5 + 6/11 =
  27. 27.1/4 + 3/4 =
  28. 28.2/4 + 5/7 =
  29. 29.2/5 + 5/6 =
  30. 30.5/10 + 2/7 =
  31. 31.1/2 + 3/7 =
  32. 32.1/3 − 2/11 =
  33. 33.2/7 + 1/4 =
  34. 34.1/2 − 1/5 =
  35. 35.2/3 − 1/2 =
  36. 36.3/9 + 2/3 =
  37. 37.9/10 + 8/11 =
  38. 38.2/7 − 1/4 =
  39. 39.7/9 + 2/3 =
  40. 40.5/10 + 5/8 =

Answer key

  1. 14/11
  2. 1/15
  3. 19/24
  4. 23/22
  5. 85/66
  6. 19/36
  7. 7/36
  8. 5/6
  9. 1/4
  10. 11/45
  11. 9/20
  12. 3/10
  13. 7/8
  14. 9/10
  15. 9/10
  16. 7/12
  17. 5/4
  18. 7/6
  19. 7/40
  20. 12/77
  21. 7/10
  22. 7/12
  23. 15/28
  24. 41/36
  25. 29/84
  26. 41/55
  27. 1
  28. 17/14
  29. 37/30
  30. 11/14
  31. 13/14
  32. 5/33
  33. 15/28
  34. 3/10
  35. 1/6
  36. 1
  37. 179/110
  38. 1/28
  39. 13/9
  40. 9/8

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