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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 978 · 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. 1.3/5 + 1/4 =
  2. 2.8/11 − 1/2 =
  3. 3.4/6 + 2/8 =
  4. 4.2/3 + 1/3 =
  5. 5.1/4 − 1/6 =
  6. 6.8/12 + 2/3 =
  7. 7.6/7 + 2/7 =
  8. 8.3/4 + 1/5 =
  9. 9.2/3 − 1/3 =
  10. 10.1/2 + 3/10 =
  11. 11.1/3 + 4/12 =
  12. 12.1/2 + 6/12 =
  13. 13.2/7 + 6/9 =
  14. 14.1/4 − 1/6 =
  15. 15.2/8 + 1/10 =
  16. 16.1/10 + 1/5 =
  17. 17.2/3 + 2/3 =
  18. 18.9/11 + 1/2 =
  19. 19.3/9 + 3/4 =
  20. 20.5/6 + 5/9 =
  21. 21.2/5 + 1/2 =
  22. 22.5/7 + 2/3 =
  23. 23.2/11 + 1/5 =
  24. 24.8/9 + 1/3 =
  25. 25.6/7 − 1/2 =
  26. 26.3/5 − 2/5 =
  27. 27.1/6 + 2/6 =
  28. 28.4/11 + 1/2 =
  29. 29.1/5 + 7/8 =
  30. 30.7/8 + 3/5 =
  31. 31.1/2 + 1/2 =
  32. 32.8/9 + 2/3 =
  33. 33.5/12 + 1/7 =
  34. 34.2/5 + 3/10 =
  35. 35.2/8 + 1/3 =
  36. 36.6/11 − 2/6 =
  37. 37.3/6 − 1/6 =
  38. 38.3/10 + 1/6 =
  39. 39.4/6 − 1/3 =
  40. 40.11/12 − 6/12 =

Answer key

  1. 17/20
  2. 5/22
  3. 11/12
  4. 1
  5. 1/12
  6. 4/3
  7. 8/7
  8. 19/20
  9. 1/3
  10. 4/5
  11. 2/3
  12. 1
  13. 20/21
  14. 1/12
  15. 7/20
  16. 3/10
  17. 4/3
  18. 29/22
  19. 13/12
  20. 25/18
  21. 9/10
  22. 29/21
  23. 21/55
  24. 11/9
  25. 5/14
  26. 1/5
  27. 1/2
  28. 19/22
  29. 43/40
  30. 59/40
  31. 1
  32. 14/9
  33. 47/84
  34. 7/10
  35. 7/12
  36. 7/33
  37. 1/3
  38. 7/15
  39. 1/3
  40. 5/12

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