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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 203 · 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. 1.1/6 + 2/3 =
  2. 2.5/8 − 1/2 =
  3. 3.1/3 + 1/2 =
  4. 4.6/11 + 1/3 =
  5. 5.7/12 − 1/2 =
  6. 6.3/6 − 2/9 =
  7. 7.7/9 − 1/3 =
  8. 8.1/5 + 1/11 =
  9. 9.2/11 + 4/7 =
  10. 10.3/7 + 1/2 =
  11. 11.2/4 − 5/11 =
  12. 12.3/6 − 5/12 =
  13. 13.3/9 + 1/4 =
  14. 14.6/9 + 1/12 =
  15. 15.7/10 − 1/4 =
  16. 16.1/7 + 2/12 =
  17. 17.1/4 + 4/7 =
  18. 18.2/4 + 3/9 =
  19. 19.4/5 + 3/5 =
  20. 20.4/8 − 2/11 =
  21. 21.2/9 + 7/11 =
  22. 22.5/6 − 2/7 =
  23. 23.4/5 + 9/10 =
  24. 24.1/3 + 3/7 =
  25. 25.5/9 + 5/8 =
  26. 26.3/7 + 1/3 =
  27. 27.4/6 + 3/7 =
  28. 28.1/11 + 6/12 =
  29. 29.1/3 + 2/4 =
  30. 30.1/2 + 3/4 =
  31. 31.1/3 + 1/6 =
  32. 32.5/7 + 2/11 =
  33. 33.2/3 − 1/2 =
  34. 34.3/4 − 2/12 =
  35. 35.2/6 − 1/5 =
  36. 36.7/8 − 3/5 =
  37. 37.1/3 − 2/9 =
  38. 38.7/9 − 1/2 =
  39. 39.1/2 + 3/4 =
  40. 40.3/5 + 2/8 =

Answer key

  1. 5/6
  2. 1/8
  3. 5/6
  4. 29/33
  5. 1/12
  6. 5/18
  7. 4/9
  8. 16/55
  9. 58/77
  10. 13/14
  11. 1/22
  12. 1/12
  13. 7/12
  14. 3/4
  15. 9/20
  16. 13/42
  17. 23/28
  18. 5/6
  19. 7/5
  20. 7/22
  21. 85/99
  22. 23/42
  23. 17/10
  24. 16/21
  25. 85/72
  26. 16/21
  27. 23/21
  28. 13/22
  29. 5/6
  30. 5/4
  31. 1/2
  32. 69/77
  33. 1/6
  34. 7/12
  35. 2/15
  36. 11/40
  37. 1/9
  38. 5/18
  39. 5/4
  40. 17/20

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