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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 443 · 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. 1.1/2 + 1/2 =
  2. 2.4/9 − 2/11 =
  3. 3.10/12 − 4/6 =
  4. 4.2/4 + 8/11 =
  5. 5.5/10 − 1/3 =
  6. 6.3/4 + 5/10 =
  7. 7.1/2 + 8/9 =
  8. 8.1/3 + 1/2 =
  9. 9.1/12 + 1/6 =
  10. 10.2/9 + 8/11 =
  11. 11.6/7 − 1/4 =
  12. 12.4/5 + 2/3 =
  13. 13.2/3 − 1/3 =
  14. 14.7/9 + 1/3 =
  15. 15.1/2 − 2/6 =
  16. 16.3/6 + 4/5 =
  17. 17.8/12 − 2/7 =
  18. 18.2/3 + 2/6 =
  19. 19.1/5 + 1/2 =
  20. 20.7/11 − 2/7 =
  21. 21.1/2 − 2/6 =
  22. 22.2/7 + 5/8 =
  23. 23.2/3 + 4/9 =
  24. 24.4/9 + 2/4 =
  25. 25.1/3 + 5/6 =
  26. 26.1/2 + 3/5 =
  27. 27.6/8 − 2/8 =
  28. 28.2/5 − 4/12 =
  29. 29.6/11 + 1/2 =
  30. 30.4/8 + 1/8 =
  31. 31.9/11 + 1/3 =
  32. 32.4/8 − 4/10 =
  33. 33.4/7 + 3/11 =
  34. 34.3/6 + 1/4 =
  35. 35.5/8 − 1/2 =
  36. 36.3/5 + 1/2 =
  37. 37.10/11 + 1/9 =
  38. 38.2/3 + 2/3 =
  39. 39.2/3 + 1/2 =
  40. 40.1/8 + 1/2 =

Answer key

  1. 1
  2. 26/99
  3. 1/6
  4. 27/22
  5. 1/6
  6. 5/4
  7. 25/18
  8. 5/6
  9. 1/4
  10. 94/99
  11. 17/28
  12. 22/15
  13. 1/3
  14. 10/9
  15. 1/6
  16. 13/10
  17. 8/21
  18. 1
  19. 7/10
  20. 27/77
  21. 1/6
  22. 51/56
  23. 10/9
  24. 17/18
  25. 7/6
  26. 11/10
  27. 1/2
  28. 1/15
  29. 23/22
  30. 5/8
  31. 38/33
  32. 1/10
  33. 65/77
  34. 3/4
  35. 1/8
  36. 11/10
  37. 101/99
  38. 4/3
  39. 7/6
  40. 5/8

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