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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 711 · 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. 2.2/4 + 4/5 =
  3. 3.2/6 + 8/11 =
  4. 4.1/7 + 10/12 =
  5. 5.2/9 + 2/4 =
  6. 6.5/7 + 1/6 =
  7. 7.3/5 + 8/9 =
  8. 8.2/5 − 1/8 =
  9. 9.8/9 + 11/12 =
  10. 10.1/5 + 5/7 =
  11. 11.5/9 − 1/3 =
  12. 12.9/12 + 1/3 =
  13. 13.4/10 + 2/6 =
  14. 14.2/11 + 1/9 =
  15. 15.3/11 + 2/6 =
  16. 16.1/2 + 4/6 =
  17. 17.3/6 − 1/7 =
  18. 18.7/12 − 2/5 =
  19. 19.9/10 − 4/8 =
  20. 20.3/4 + 2/4 =
  21. 21.7/11 − 1/2 =
  22. 22.1/2 − 1/4 =
  23. 23.2/4 + 1/2 =
  24. 24.3/4 + 1/2 =
  25. 25.5/9 + 4/11 =
  26. 26.1/3 + 2/12 =
  27. 27.1/10 + 1/6 =
  28. 28.5/10 + 3/8 =
  29. 29.1/4 + 1/5 =
  30. 30.2/3 − 1/4 =
  31. 31.5/12 − 3/10 =
  32. 32.2/3 − 3/5 =
  33. 33.3/11 − 1/12 =
  34. 34.3/8 − 1/5 =
  35. 35.3/4 + 3/7 =
  36. 36.7/8 + 2/3 =
  37. 37.3/4 − 2/3 =
  38. 38.9/12 − 6/9 =
  39. 39.1/2 − 2/5 =
  40. 40.5/6 + 3/6 =

Answer key

  1. 1
  2. 13/10
  3. 35/33
  4. 41/42
  5. 13/18
  6. 37/42
  7. 67/45
  8. 11/40
  9. 65/36
  10. 32/35
  11. 2/9
  12. 13/12
  13. 11/15
  14. 29/99
  15. 20/33
  16. 7/6
  17. 5/14
  18. 11/60
  19. 2/5
  20. 5/4
  21. 3/22
  22. 1/4
  23. 1
  24. 5/4
  25. 91/99
  26. 1/2
  27. 4/15
  28. 7/8
  29. 9/20
  30. 5/12
  31. 7/60
  32. 1/15
  33. 25/132
  34. 7/40
  35. 33/28
  36. 37/24
  37. 1/12
  38. 1/12
  39. 1/10
  40. 4/3

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