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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 384 · 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 + 1/3 =
  2. 2.3/4 + 1/2 =
  3. 3.1/4 + 1/4 =
  4. 4.8/12 + 2/4 =
  5. 5.1/7 + 1/3 =
  6. 6.1/4 + 1/3 =
  7. 7.3/10 + 2/3 =
  8. 8.3/4 + 3/4 =
  9. 9.1/2 − 1/6 =
  10. 10.1/2 + 6/11 =
  11. 11.1/10 + 1/4 =
  12. 12.3/11 + 3/8 =
  13. 13.4/5 − 1/7 =
  14. 14.1/3 + 2/8 =
  15. 15.2/10 + 6/10 =
  16. 16.2/4 − 1/3 =
  17. 17.2/3 + 1/3 =
  18. 18.2/6 + 1/7 =
  19. 19.6/9 − 2/4 =
  20. 20.8/10 + 3/8 =
  21. 21.6/7 − 1/2 =
  22. 22.1/12 + 4/8 =
  23. 23.4/6 + 11/12 =
  24. 24.4/5 + 4/8 =
  25. 25.1/3 + 1/12 =
  26. 26.8/9 − 2/3 =
  27. 27.1/4 + 8/12 =
  28. 28.1/2 − 1/4 =
  29. 29.3/5 − 1/4 =
  30. 30.5/6 + 3/6 =
  31. 31.5/8 − 1/3 =
  32. 32.3/10 − 1/6 =
  33. 33.1/3 + 3/6 =
  34. 34.2/9 + 2/3 =
  35. 35.2/3 − 1/3 =
  36. 36.10/11 + 8/11 =
  37. 37.11/12 − 1/6 =
  38. 38.4/5 − 2/12 =
  39. 39.2/5 − 2/8 =
  40. 40.1/2 − 1/9 =

Answer key

  1. 7/12
  2. 5/4
  3. 1/2
  4. 7/6
  5. 10/21
  6. 7/12
  7. 29/30
  8. 3/2
  9. 1/3
  10. 23/22
  11. 7/20
  12. 57/88
  13. 23/35
  14. 7/12
  15. 4/5
  16. 1/6
  17. 1
  18. 10/21
  19. 1/6
  20. 47/40
  21. 5/14
  22. 7/12
  23. 19/12
  24. 13/10
  25. 5/12
  26. 2/9
  27. 11/12
  28. 1/4
  29. 7/20
  30. 4/3
  31. 7/24
  32. 2/15
  33. 5/6
  34. 8/9
  35. 1/3
  36. 18/11
  37. 3/4
  38. 19/30
  39. 3/20
  40. 7/18

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