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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 662 · 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. 1.6/12 + 2/4 =
  2. 2.7/8 − 4/7 =
  3. 3.9/11 + 7/11 =
  4. 4.2/11 + 6/9 =
  5. 5.1/3 + 2/4 =
  6. 6.8/9 − 1/2 =
  7. 7.7/9 − 4/6 =
  8. 8.3/4 + 4/8 =
  9. 9.1/5 + 3/6 =
  10. 10.4/9 + 1/2 =
  11. 11.8/10 − 2/4 =
  12. 12.6/9 − 2/5 =
  13. 13.1/3 + 3/11 =
  14. 14.1/8 + 3/5 =
  15. 15.1/3 + 2/4 =
  16. 16.9/11 + 1/8 =
  17. 17.1/2 + 5/8 =
  18. 18.3/4 − 2/4 =
  19. 19.6/8 − 1/10 =
  20. 20.2/11 + 1/2 =
  21. 21.3/9 + 3/12 =
  22. 22.1/2 + 6/12 =
  23. 23.3/11 + 7/10 =
  24. 24.1/2 + 3/6 =
  25. 25.5/12 + 3/12 =
  26. 26.5/6 + 2/6 =
  27. 27.1/3 − 2/9 =
  28. 28.1/6 + 3/5 =
  29. 29.4/5 + 4/5 =
  30. 30.10/11 − 5/7 =
  31. 31.2/8 + 2/7 =
  32. 32.4/5 − 1/4 =
  33. 33.3/12 + 2/7 =
  34. 34.3/5 + 1/2 =
  35. 35.8/9 − 5/12 =
  36. 36.1/2 + 1/2 =
  37. 37.2/3 + 1/6 =
  38. 38.8/10 + 1/2 =
  39. 39.3/12 + 2/8 =
  40. 40.1/2 + 8/10 =

Answer key

  1. 1
  2. 17/56
  3. 16/11
  4. 28/33
  5. 5/6
  6. 7/18
  7. 1/9
  8. 5/4
  9. 7/10
  10. 17/18
  11. 3/10
  12. 4/15
  13. 20/33
  14. 29/40
  15. 5/6
  16. 83/88
  17. 9/8
  18. 1/4
  19. 13/20
  20. 15/22
  21. 7/12
  22. 1
  23. 107/110
  24. 1
  25. 2/3
  26. 7/6
  27. 1/9
  28. 23/30
  29. 8/5
  30. 15/77
  31. 15/28
  32. 11/20
  33. 15/28
  34. 11/10
  35. 17/36
  36. 1
  37. 5/6
  38. 13/10
  39. 1/2
  40. 13/10

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