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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 802 · 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. 1.6/8 + 1/2 =
  2. 2.4/9 + 2/3 =
  3. 3.4/5 − 3/5 =
  4. 4.1/2 + 7/10 =
  5. 5.4/11 − 1/5 =
  6. 6.8/12 + 3/4 =
  7. 7.4/5 − 3/10 =
  8. 8.7/12 + 4/6 =
  9. 9.3/8 + 1/7 =
  10. 10.9/11 − 5/9 =
  11. 11.4/5 + 4/8 =
  12. 12.8/9 + 5/6 =
  13. 13.2/4 − 2/6 =
  14. 14.2/3 + 1/2 =
  15. 15.8/9 − 2/4 =
  16. 16.5/6 + 1/4 =
  17. 17.2/8 − 2/9 =
  18. 18.7/12 − 1/4 =
  19. 19.3/5 − 1/2 =
  20. 20.2/3 + 3/5 =
  21. 21.1/2 + 1/3 =
  22. 22.5/12 + 1/2 =
  23. 23.9/12 + 6/9 =
  24. 24.7/8 − 6/9 =
  25. 25.3/5 − 4/7 =
  26. 26.4/8 + 7/10 =
  27. 27.7/9 − 1/2 =
  28. 28.1/6 + 5/6 =
  29. 29.8/12 − 2/6 =
  30. 30.1/3 + 8/11 =
  31. 31.2/10 + 9/11 =
  32. 32.3/6 + 1/2 =
  33. 33.5/6 + 9/10 =
  34. 34.2/3 + 3/7 =
  35. 35.2/4 + 5/8 =
  36. 36.1/9 + 4/5 =
  37. 37.2/11 + 3/10 =
  38. 38.2/6 + 1/3 =
  39. 39.4/12 + 1/3 =
  40. 40.7/11 − 3/10 =

Answer key

  1. 5/4
  2. 10/9
  3. 1/5
  4. 6/5
  5. 9/55
  6. 17/12
  7. 1/2
  8. 5/4
  9. 29/56
  10. 26/99
  11. 13/10
  12. 31/18
  13. 1/6
  14. 7/6
  15. 7/18
  16. 13/12
  17. 1/36
  18. 1/3
  19. 1/10
  20. 19/15
  21. 5/6
  22. 11/12
  23. 17/12
  24. 5/24
  25. 1/35
  26. 6/5
  27. 5/18
  28. 1
  29. 1/3
  30. 35/33
  31. 56/55
  32. 1
  33. 26/15
  34. 23/21
  35. 9/8
  36. 41/45
  37. 53/110
  38. 2/3
  39. 2/3
  40. 37/110

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