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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 455 · 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 + 5/8 =
  2. 2.4/9 + 9/12 =
  3. 3.4/9 + 7/8 =
  4. 4.2/4 + 1/2 =
  5. 5.2/4 + 4/5 =
  6. 6.1/4 + 1/6 =
  7. 7.3/11 + 2/6 =
  8. 8.2/3 + 2/4 =
  9. 9.3/4 + 5/8 =
  10. 10.4/6 − 1/2 =
  11. 11.5/8 + 3/6 =
  12. 12.1/3 + 2/3 =
  13. 13.1/2 + 6/9 =
  14. 14.1/2 + 1/2 =
  15. 15.3/10 + 3/4 =
  16. 16.1/12 + 6/10 =
  17. 17.6/11 + 1/3 =
  18. 18.1/7 + 1/6 =
  19. 19.3/6 − 2/11 =
  20. 20.1/2 + 1/5 =
  21. 21.11/12 − 5/7 =
  22. 22.1/2 + 1/4 =
  23. 23.1/3 + 8/11 =
  24. 24.1/2 + 2/8 =
  25. 25.1/2 − 1/10 =
  26. 26.5/6 + 1/5 =
  27. 27.8/10 + 1/2 =
  28. 28.1/2 − 2/6 =
  29. 29.1/2 + 1/2 =
  30. 30.1/12 + 3/4 =
  31. 31.5/10 + 1/2 =
  32. 32.7/8 − 2/4 =
  33. 33.7/8 − 1/2 =
  34. 34.1/3 + 5/8 =
  35. 35.2/3 − 4/10 =
  36. 36.5/6 + 1/4 =
  37. 37.2/3 − 2/4 =
  38. 38.1/2 + 9/11 =
  39. 39.6/9 + 7/12 =
  40. 40.7/8 + 4/12 =

Answer key

  1. 7/8
  2. 43/36
  3. 95/72
  4. 1
  5. 13/10
  6. 5/12
  7. 20/33
  8. 7/6
  9. 11/8
  10. 1/6
  11. 9/8
  12. 1
  13. 7/6
  14. 1
  15. 21/20
  16. 41/60
  17. 29/33
  18. 13/42
  19. 7/22
  20. 7/10
  21. 17/84
  22. 3/4
  23. 35/33
  24. 3/4
  25. 2/5
  26. 31/30
  27. 13/10
  28. 1/6
  29. 1
  30. 5/6
  31. 1
  32. 3/8
  33. 3/8
  34. 23/24
  35. 4/15
  36. 13/12
  37. 1/6
  38. 29/22
  39. 5/4
  40. 29/24

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