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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 549 · 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. 1.1/2 + 1/2 =
  2. 2.2/9 + 2/10 =
  3. 3.3/4 + 9/12 =
  4. 4.4/5 + 6/11 =
  5. 5.1/3 − 1/8 =
  6. 6.4/5 + 2/8 =
  7. 7.9/10 + 5/9 =
  8. 8.5/8 − 7/12 =
  9. 9.3/5 − 2/9 =
  10. 10.2/6 − 1/6 =
  11. 11.1/2 + 7/8 =
  12. 12.1/2 − 1/4 =
  13. 13.1/2 + 1/2 =
  14. 14.9/11 + 5/7 =
  15. 15.7/12 − 2/7 =
  16. 16.5/6 + 1/2 =
  17. 17.1/5 + 3/4 =
  18. 18.2/11 + 1/9 =
  19. 19.1/3 + 1/2 =
  20. 20.3/4 + 3/9 =
  21. 21.10/12 − 1/3 =
  22. 22.1/2 + 5/10 =
  23. 23.3/6 + 1/2 =
  24. 24.2/3 − 1/8 =
  25. 25.2/3 − 5/8 =
  26. 26.1/5 + 1/5 =
  27. 27.3/4 + 1/2 =
  28. 28.1/4 + 1/9 =
  29. 29.6/11 − 1/3 =
  30. 30.1/2 − 2/12 =
  31. 31.3/6 − 1/4 =
  32. 32.4/11 + 3/4 =
  33. 33.2/5 − 1/3 =
  34. 34.3/8 + 5/11 =
  35. 35.3/4 − 5/9 =
  36. 36.3/4 − 1/5 =
  37. 37.1/2 + 3/5 =
  38. 38.1/2 + 11/12 =
  39. 39.3/6 + 1/12 =
  40. 40.3/4 − 1/3 =

Answer key

  1. 1
  2. 19/45
  3. 3/2
  4. 74/55
  5. 5/24
  6. 21/20
  7. 131/90
  8. 1/24
  9. 17/45
  10. 1/6
  11. 11/8
  12. 1/4
  13. 1
  14. 118/77
  15. 25/84
  16. 4/3
  17. 19/20
  18. 29/99
  19. 5/6
  20. 13/12
  21. 1/2
  22. 1
  23. 1
  24. 13/24
  25. 1/24
  26. 2/5
  27. 5/4
  28. 13/36
  29. 7/33
  30. 1/3
  31. 1/4
  32. 49/44
  33. 1/15
  34. 73/88
  35. 7/36
  36. 11/20
  37. 11/10
  38. 17/12
  39. 7/12
  40. 5/12

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