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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 470 · 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. 1.3/4 + 9/11 =
  2. 2.5/9 + 3/4 =
  3. 3.2/4 − 2/6 =
  4. 4.9/10 − 5/6 =
  5. 5.9/11 + 5/7 =
  6. 6.1/2 + 2/4 =
  7. 7.5/8 + 2/6 =
  8. 8.5/6 − 1/4 =
  9. 9.4/11 − 2/7 =
  10. 10.4/6 − 2/4 =
  11. 11.1/2 − 1/9 =
  12. 12.5/6 + 1/3 =
  13. 13.4/6 + 3/4 =
  14. 14.1/4 + 1/2 =
  15. 15.3/12 + 1/2 =
  16. 16.1/2 + 1/2 =
  17. 17.1/5 + 5/8 =
  18. 18.9/12 − 5/9 =
  19. 19.1/3 − 1/12 =
  20. 20.1/3 + 3/7 =
  21. 21.2/12 + 2/3 =
  22. 22.1/2 + 5/10 =
  23. 23.1/2 − 1/3 =
  24. 24.4/6 + 1/6 =
  25. 25.8/9 + 1/6 =
  26. 26.1/3 + 3/8 =
  27. 27.2/8 + 7/9 =
  28. 28.9/10 + 4/10 =
  29. 29.1/5 − 1/10 =
  30. 30.11/12 + 1/4 =
  31. 31.5/11 + 2/4 =
  32. 32.1/2 + 7/12 =
  33. 33.5/8 − 1/5 =
  34. 34.2/3 + 4/11 =
  35. 35.6/11 + 5/6 =
  36. 36.2/11 + 2/3 =
  37. 37.1/3 + 6/9 =
  38. 38.1/5 − 1/11 =
  39. 39.1/4 + 4/12 =
  40. 40.6/7 − 3/11 =

Answer key

  1. 69/44
  2. 47/36
  3. 1/6
  4. 1/15
  5. 118/77
  6. 1
  7. 23/24
  8. 7/12
  9. 6/77
  10. 1/6
  11. 7/18
  12. 7/6
  13. 17/12
  14. 3/4
  15. 3/4
  16. 1
  17. 33/40
  18. 7/36
  19. 1/4
  20. 16/21
  21. 5/6
  22. 1
  23. 1/6
  24. 5/6
  25. 19/18
  26. 17/24
  27. 37/36
  28. 13/10
  29. 1/10
  30. 7/6
  31. 21/22
  32. 13/12
  33. 17/40
  34. 34/33
  35. 91/66
  36. 28/33
  37. 1
  38. 6/55
  39. 7/12
  40. 45/77

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