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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 96 · 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. 1.2/5 + 5/8 =
  2. 2.4/8 + 3/6 =
  3. 3.9/12 − 6/11 =
  4. 4.9/12 + 6/10 =
  5. 5.1/2 + 2/3 =
  6. 6.3/5 − 1/7 =
  7. 7.3/4 − 1/2 =
  8. 8.2/7 − 1/9 =
  9. 9.5/11 + 4/9 =
  10. 10.11/12 + 5/9 =
  11. 11.5/9 − 1/2 =
  12. 12.2/6 − 1/4 =
  13. 13.3/8 + 2/3 =
  14. 14.3/4 − 8/12 =
  15. 15.7/11 − 1/2 =
  16. 16.7/9 − 1/4 =
  17. 17.1/2 + 1/9 =
  18. 18.1/3 + 1/6 =
  19. 19.2/7 + 1/2 =
  20. 20.3/6 + 1/8 =
  21. 21.1/2 + 6/12 =
  22. 22.4/5 − 1/4 =
  23. 23.4/10 − 2/7 =
  24. 24.4/5 + 1/5 =
  25. 25.3/10 − 1/10 =
  26. 26.1/2 + 3/10 =
  27. 27.4/8 + 3/7 =
  28. 28.6/8 + 2/3 =
  29. 29.2/5 + 1/6 =
  30. 30.2/3 − 1/4 =
  31. 31.1/3 − 2/9 =
  32. 32.2/3 − 2/7 =
  33. 33.1/2 + 1/2 =
  34. 34.7/10 + 1/4 =
  35. 35.6/9 + 1/4 =
  36. 36.8/12 − 6/12 =
  37. 37.1/9 + 5/10 =
  38. 38.2/4 + 8/9 =
  39. 39.4/11 + 4/12 =
  40. 40.3/4 − 4/9 =

Answer key

  1. 41/40
  2. 1
  3. 9/44
  4. 27/20
  5. 7/6
  6. 16/35
  7. 1/4
  8. 11/63
  9. 89/99
  10. 53/36
  11. 1/18
  12. 1/12
  13. 25/24
  14. 1/12
  15. 3/22
  16. 19/36
  17. 11/18
  18. 1/2
  19. 11/14
  20. 5/8
  21. 1
  22. 11/20
  23. 4/35
  24. 1
  25. 1/5
  26. 4/5
  27. 13/14
  28. 17/12
  29. 17/30
  30. 5/12
  31. 1/9
  32. 8/21
  33. 1
  34. 19/20
  35. 11/12
  36. 1/6
  37. 11/18
  38. 25/18
  39. 23/33
  40. 11/36

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