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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 844 · 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. 1.4/8 + 10/11 =
  2. 2.2/4 − 3/8 =
  3. 3.4/11 + 3/4 =
  4. 4.1/2 + 1/5 =
  5. 5.2/6 + 1/2 =
  6. 6.1/2 + 4/11 =
  7. 7.2/4 + 1/2 =
  8. 8.8/9 − 2/4 =
  9. 9.7/12 − 1/2 =
  10. 10.5/7 − 4/8 =
  11. 11.1/2 + 3/5 =
  12. 12.2/4 + 1/6 =
  13. 13.4/5 − 1/6 =
  14. 14.9/10 − 3/10 =
  15. 15.1/2 + 3/8 =
  16. 16.1/5 + 2/3 =
  17. 17.2/6 + 1/2 =
  18. 18.9/12 + 2/3 =
  19. 19.6/11 − 1/10 =
  20. 20.3/6 + 3/5 =
  21. 21.3/7 + 2/7 =
  22. 22.1/3 − 3/10 =
  23. 23.7/12 + 1/3 =
  24. 24.2/3 − 2/6 =
  25. 25.7/8 − 2/7 =
  26. 26.1/3 + 1/2 =
  27. 27.4/10 + 10/12 =
  28. 28.1/10 + 1/2 =
  29. 29.3/5 + 5/6 =
  30. 30.5/10 + 2/7 =
  31. 31.10/11 + 2/4 =
  32. 32.6/11 + 1/5 =
  33. 33.1/2 + 1/2 =
  34. 34.1/2 − 2/6 =
  35. 35.4/6 + 6/9 =
  36. 36.1/4 − 2/12 =
  37. 37.4/7 − 2/6 =
  38. 38.1/6 + 8/12 =
  39. 39.1/2 + 2/7 =
  40. 40.1/12 + 2/3 =

Answer key

  1. 31/22
  2. 1/8
  3. 49/44
  4. 7/10
  5. 5/6
  6. 19/22
  7. 1
  8. 7/18
  9. 1/12
  10. 3/14
  11. 11/10
  12. 2/3
  13. 19/30
  14. 3/5
  15. 7/8
  16. 13/15
  17. 5/6
  18. 17/12
  19. 49/110
  20. 11/10
  21. 5/7
  22. 1/30
  23. 11/12
  24. 1/3
  25. 33/56
  26. 5/6
  27. 37/30
  28. 3/5
  29. 43/30
  30. 11/14
  31. 31/22
  32. 41/55
  33. 1
  34. 1/6
  35. 4/3
  36. 1/12
  37. 5/21
  38. 5/6
  39. 11/14
  40. 3/4

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