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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 103 · 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. 1.1/8 + 1/4 =
  2. 2.6/11 + 2/4 =
  3. 3.2/4 − 1/3 =
  4. 4.9/11 + 5/9 =
  5. 5.9/10 − 1/2 =
  6. 6.2/10 + 6/12 =
  7. 7.2/8 + 4/8 =
  8. 8.5/7 − 1/2 =
  9. 9.1/5 + 2/9 =
  10. 10.1/2 + 1/5 =
  11. 11.10/12 + 1/2 =
  12. 12.10/11 − 1/3 =
  13. 13.3/4 − 3/12 =
  14. 14.10/11 + 3/11 =
  15. 15.1/3 + 2/10 =
  16. 16.2/6 + 4/9 =
  17. 17.2/7 + 4/10 =
  18. 18.2/7 + 1/4 =
  19. 19.2/7 + 7/10 =
  20. 20.7/8 + 8/10 =
  21. 21.8/10 − 3/4 =
  22. 22.1/2 + 1/2 =
  23. 23.3/4 + 1/3 =
  24. 24.2/4 − 2/8 =
  25. 25.8/11 − 1/7 =
  26. 26.3/4 + 1/2 =
  27. 27.1/3 + 1/2 =
  28. 28.1/3 − 1/9 =
  29. 29.5/6 + 2/12 =
  30. 30.9/11 + 2/9 =
  31. 31.7/10 + 2/11 =
  32. 32.4/9 + 1/2 =
  33. 33.1/2 − 1/7 =
  34. 34.3/4 + 1/7 =
  35. 35.2/4 − 4/12 =
  36. 36.1/12 + 6/11 =
  37. 37.6/12 − 1/3 =
  38. 38.7/9 + 2/9 =
  39. 39.5/11 − 1/3 =
  40. 40.3/4 + 1/2 =

Answer key

  1. 3/8
  2. 23/22
  3. 1/6
  4. 136/99
  5. 2/5
  6. 7/10
  7. 3/4
  8. 3/14
  9. 19/45
  10. 7/10
  11. 4/3
  12. 19/33
  13. 1/2
  14. 13/11
  15. 8/15
  16. 7/9
  17. 24/35
  18. 15/28
  19. 69/70
  20. 67/40
  21. 1/20
  22. 1
  23. 13/12
  24. 1/4
  25. 45/77
  26. 5/4
  27. 5/6
  28. 2/9
  29. 1
  30. 103/99
  31. 97/110
  32. 17/18
  33. 5/14
  34. 25/28
  35. 1/6
  36. 83/132
  37. 1/6
  38. 1
  39. 4/33
  40. 5/4

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