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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 708 · 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. 1.9/10 + 1/2 =
  2. 2.1/3 + 4/5 =
  3. 3.3/4 − 1/2 =
  4. 4.3/6 + 2/10 =
  5. 5.4/6 + 2/4 =
  6. 6.1/2 + 1/7 =
  7. 7.2/3 − 2/6 =
  8. 8.2/3 − 6/10 =
  9. 9.1/3 + 3/4 =
  10. 10.10/11 + 2/4 =
  11. 11.4/7 − 3/11 =
  12. 12.1/2 + 2/8 =
  13. 13.9/10 − 2/6 =
  14. 14.3/4 + 1/12 =
  15. 15.2/5 + 3/6 =
  16. 16.4/5 + 1/4 =
  17. 17.4/6 + 1/6 =
  18. 18.1/2 + 1/3 =
  19. 19.6/10 + 1/9 =
  20. 20.1/12 + 1/2 =
  21. 21.1/2 − 2/9 =
  22. 22.5/12 − 2/5 =
  23. 23.4/5 − 3/4 =
  24. 24.9/10 − 5/7 =
  25. 25.1/3 + 2/9 =
  26. 26.7/10 + 8/12 =
  27. 27.4/7 − 2/12 =
  28. 28.2/5 + 1/2 =
  29. 29.11/12 − 1/2 =
  30. 30.1/4 + 1/9 =
  31. 31.1/4 − 1/6 =
  32. 32.4/12 + 1/3 =
  33. 33.9/11 + 9/11 =
  34. 34.2/4 + 9/11 =
  35. 35.2/4 + 5/10 =
  36. 36.5/9 − 4/10 =
  37. 37.1/11 + 6/12 =
  38. 38.8/10 + 2/8 =
  39. 39.6/8 + 2/5 =
  40. 40.1/4 + 2/4 =

Answer key

  1. 7/5
  2. 17/15
  3. 1/4
  4. 7/10
  5. 7/6
  6. 9/14
  7. 1/3
  8. 1/15
  9. 13/12
  10. 31/22
  11. 23/77
  12. 3/4
  13. 17/30
  14. 5/6
  15. 9/10
  16. 21/20
  17. 5/6
  18. 5/6
  19. 32/45
  20. 7/12
  21. 5/18
  22. 1/60
  23. 1/20
  24. 13/70
  25. 5/9
  26. 41/30
  27. 17/42
  28. 9/10
  29. 5/12
  30. 13/36
  31. 1/12
  32. 2/3
  33. 18/11
  34. 29/22
  35. 1
  36. 7/45
  37. 13/22
  38. 21/20
  39. 23/20
  40. 3/4

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