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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 781 · 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. 1.6/9 + 9/12 =
  2. 2.1/2 − 1/4 =
  3. 3.3/6 + 1/2 =
  4. 4.3/4 + 1/2 =
  5. 5.1/2 + 1/10 =
  6. 6.1/2 + 1/6 =
  7. 7.10/11 + 1/2 =
  8. 8.7/8 − 1/4 =
  9. 9.4/7 + 2/4 =
  10. 10.6/7 − 2/7 =
  11. 11.3/10 + 3/4 =
  12. 12.1/3 + 4/7 =
  13. 13.1/2 − 1/11 =
  14. 14.4/6 + 1/7 =
  15. 15.1/3 + 5/8 =
  16. 16.2/3 + 4/6 =
  17. 17.8/9 + 5/9 =
  18. 18.6/7 + 1/8 =
  19. 19.5/8 − 2/7 =
  20. 20.1/2 + 1/3 =
  21. 21.1/9 + 2/4 =
  22. 22.6/7 − 3/10 =
  23. 23.4/9 + 4/6 =
  24. 24.1/2 + 2/3 =
  25. 25.8/10 − 4/6 =
  26. 26.1/2 + 5/6 =
  27. 27.1/7 + 2/3 =
  28. 28.2/3 + 3/10 =
  29. 29.2/8 + 1/3 =
  30. 30.5/8 − 4/8 =
  31. 31.5/6 − 2/12 =
  32. 32.1/7 + 1/2 =
  33. 33.1/3 + 5/8 =
  34. 34.1/2 + 1/2 =
  35. 35.1/4 + 9/10 =
  36. 36.7/8 − 3/4 =
  37. 37.3/10 − 3/12 =
  38. 38.2/3 + 3/4 =
  39. 39.2/4 − 1/3 =
  40. 40.8/10 − 1/5 =

Answer key

  1. 17/12
  2. 1/4
  3. 1
  4. 5/4
  5. 3/5
  6. 2/3
  7. 31/22
  8. 5/8
  9. 15/14
  10. 4/7
  11. 21/20
  12. 19/21
  13. 9/22
  14. 17/21
  15. 23/24
  16. 4/3
  17. 13/9
  18. 55/56
  19. 19/56
  20. 5/6
  21. 11/18
  22. 39/70
  23. 10/9
  24. 7/6
  25. 2/15
  26. 4/3
  27. 17/21
  28. 29/30
  29. 7/12
  30. 1/8
  31. 2/3
  32. 9/14
  33. 23/24
  34. 1
  35. 23/20
  36. 1/8
  37. 1/20
  38. 17/12
  39. 1/6
  40. 3/5

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