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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 469 · 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. 1.1/4 + 1/9 =
  2. 2.3/4 + 5/8 =
  3. 3.3/5 − 3/7 =
  4. 4.1/2 − 2/6 =
  5. 5.1/5 + 6/7 =
  6. 6.5/10 − 3/7 =
  7. 7.7/12 + 7/9 =
  8. 8.9/10 + 2/5 =
  9. 9.3/10 + 9/11 =
  10. 10.1/2 − 2/8 =
  11. 11.2/4 + 10/11 =
  12. 12.1/3 + 1/5 =
  13. 13.11/12 − 6/10 =
  14. 14.1/2 − 1/3 =
  15. 15.2/6 − 2/12 =
  16. 16.1/4 − 1/10 =
  17. 17.2/4 − 1/11 =
  18. 18.5/9 + 3/10 =
  19. 19.3/4 + 2/11 =
  20. 20.3/4 − 1/3 =
  21. 21.10/12 − 3/4 =
  22. 22.1/2 + 2/6 =
  23. 23.4/6 − 2/5 =
  24. 24.1/2 + 1/6 =
  25. 25.1/4 + 2/8 =
  26. 26.8/12 + 3/9 =
  27. 27.1/10 + 2/4 =
  28. 28.3/11 − 2/9 =
  29. 29.1/2 − 1/5 =
  30. 30.2/6 − 1/11 =
  31. 31.1/11 + 1/6 =
  32. 32.5/9 − 1/7 =
  33. 33.1/7 + 3/5 =
  34. 34.1/6 + 3/7 =
  35. 35.10/12 − 4/10 =
  36. 36.2/3 − 3/5 =
  37. 37.5/6 − 4/8 =
  38. 38.3/5 + 4/8 =
  39. 39.6/8 + 9/11 =
  40. 40.6/10 − 1/3 =

Answer key

  1. 13/36
  2. 11/8
  3. 6/35
  4. 1/6
  5. 37/35
  6. 1/14
  7. 49/36
  8. 13/10
  9. 123/110
  10. 1/4
  11. 31/22
  12. 8/15
  13. 19/60
  14. 1/6
  15. 1/6
  16. 3/20
  17. 9/22
  18. 77/90
  19. 41/44
  20. 5/12
  21. 1/12
  22. 5/6
  23. 4/15
  24. 2/3
  25. 1/2
  26. 1
  27. 3/5
  28. 5/99
  29. 3/10
  30. 8/33
  31. 17/66
  32. 26/63
  33. 26/35
  34. 25/42
  35. 13/30
  36. 1/15
  37. 1/3
  38. 11/10
  39. 69/44
  40. 4/15

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