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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 296 · 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. 1.2/4 + 1/2 =
  2. 2.4/9 + 2/4 =
  3. 3.1/7 + 3/8 =
  4. 4.1/3 + 2/8 =
  5. 5.3/4 + 8/9 =
  6. 6.6/10 − 2/8 =
  7. 7.3/4 − 2/5 =
  8. 8.5/12 + 1/2 =
  9. 9.1/5 + 3/5 =
  10. 10.1/2 − 1/4 =
  11. 11.11/12 + 5/8 =
  12. 12.1/11 + 3/8 =
  13. 13.4/7 − 1/2 =
  14. 14.3/11 + 1/2 =
  15. 15.4/9 + 4/6 =
  16. 16.5/7 − 1/6 =
  17. 17.5/8 + 5/12 =
  18. 18.3/4 − 2/8 =
  19. 19.5/8 − 4/11 =
  20. 20.2/5 + 7/8 =
  21. 21.5/6 + 7/9 =
  22. 22.3/6 + 1/2 =
  23. 23.5/6 + 10/11 =
  24. 24.3/7 + 1/3 =
  25. 25.1/8 + 1/7 =
  26. 26.3/8 + 3/4 =
  27. 27.2/3 − 3/5 =
  28. 28.3/7 + 2/12 =
  29. 29.2/3 + 3/8 =
  30. 30.1/9 + 2/9 =
  31. 31.2/7 − 3/11 =
  32. 32.4/8 + 4/10 =
  33. 33.3/9 + 10/11 =
  34. 34.1/4 − 1/9 =
  35. 35.8/11 − 2/4 =
  36. 36.5/7 − 1/10 =
  37. 37.8/11 + 5/9 =
  38. 38.1/3 − 3/11 =
  39. 39.9/10 − 3/4 =
  40. 40.1/3 + 6/11 =

Answer key

  1. 1
  2. 17/18
  3. 29/56
  4. 7/12
  5. 59/36
  6. 7/20
  7. 7/20
  8. 11/12
  9. 4/5
  10. 1/4
  11. 37/24
  12. 41/88
  13. 1/14
  14. 17/22
  15. 10/9
  16. 23/42
  17. 25/24
  18. 1/2
  19. 23/88
  20. 51/40
  21. 29/18
  22. 1
  23. 115/66
  24. 16/21
  25. 15/56
  26. 9/8
  27. 1/15
  28. 25/42
  29. 25/24
  30. 1/3
  31. 1/77
  32. 9/10
  33. 41/33
  34. 5/36
  35. 5/22
  36. 43/70
  37. 127/99
  38. 2/33
  39. 3/20
  40. 29/33

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