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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 448 · 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. 1.5/12 + 3/4 =
  2. 2.2/3 + 1/3 =
  3. 3.1/3 − 1/6 =
  4. 4.1/4 + 5/12 =
  5. 5.2/9 − 1/6 =
  6. 6.7/12 + 2/3 =
  7. 7.3/5 − 1/7 =
  8. 8.2/3 + 9/10 =
  9. 9.2/5 − 1/4 =
  10. 10.7/10 − 6/10 =
  11. 11.3/6 − 3/10 =
  12. 12.8/9 − 7/9 =
  13. 13.2/4 + 1/11 =
  14. 14.1/4 − 1/12 =
  15. 15.2/12 + 4/6 =
  16. 16.4/7 + 5/6 =
  17. 17.2/3 − 1/2 =
  18. 18.4/5 − 3/4 =
  19. 19.1/4 − 1/8 =
  20. 20.1/7 + 1/2 =
  21. 21.2/6 + 2/12 =
  22. 22.1/2 − 2/5 =
  23. 23.4/6 − 5/10 =
  24. 24.7/12 + 1/3 =
  25. 25.10/12 + 10/12 =
  26. 26.7/12 + 5/9 =
  27. 27.5/10 + 5/7 =
  28. 28.6/10 − 5/11 =
  29. 29.10/12 − 1/4 =
  30. 30.11/12 − 1/5 =
  31. 31.2/11 + 1/8 =
  32. 32.4/6 − 4/9 =
  33. 33.6/12 + 2/8 =
  34. 34.1/6 + 3/5 =
  35. 35.7/8 − 1/6 =
  36. 36.9/10 − 4/6 =
  37. 37.2/7 + 4/7 =
  38. 38.2/6 + 2/11 =
  39. 39.3/11 + 6/8 =
  40. 40.4/5 + 1/6 =

Answer key

  1. 7/6
  2. 1
  3. 1/6
  4. 2/3
  5. 1/18
  6. 5/4
  7. 16/35
  8. 47/30
  9. 3/20
  10. 1/10
  11. 1/5
  12. 1/9
  13. 13/22
  14. 1/6
  15. 5/6
  16. 59/42
  17. 1/6
  18. 1/20
  19. 1/8
  20. 9/14
  21. 1/2
  22. 1/10
  23. 1/6
  24. 11/12
  25. 5/3
  26. 41/36
  27. 17/14
  28. 8/55
  29. 7/12
  30. 43/60
  31. 27/88
  32. 2/9
  33. 3/4
  34. 23/30
  35. 17/24
  36. 7/30
  37. 6/7
  38. 17/33
  39. 45/44
  40. 29/30

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