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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 169 · 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. 1.1/6 + 3/10 =
  2. 2.5/12 + 2/3 =
  3. 3.8/11 + 1/11 =
  4. 4.6/8 + 2/3 =
  5. 5.4/6 + 5/7 =
  6. 6.7/8 − 1/11 =
  7. 7.1/2 + 4/12 =
  8. 8.8/11 − 2/10 =
  9. 9.1/9 + 1/11 =
  10. 10.7/10 + 1/2 =
  11. 11.3/5 + 3/6 =
  12. 12.2/3 − 2/4 =
  13. 13.2/9 + 2/12 =
  14. 14.4/5 + 4/10 =
  15. 15.8/10 − 2/4 =
  16. 16.4/7 − 2/11 =
  17. 17.4/5 − 1/5 =
  18. 18.1/6 + 4/6 =
  19. 19.7/12 − 3/10 =
  20. 20.11/12 − 7/11 =
  21. 21.1/2 − 3/12 =
  22. 22.7/10 − 2/9 =
  23. 23.7/10 + 7/11 =
  24. 24.7/11 − 2/5 =
  25. 25.1/8 + 2/6 =
  26. 26.3/6 − 4/10 =
  27. 27.4/9 + 5/8 =
  28. 28.2/3 − 4/12 =
  29. 29.7/12 − 3/10 =
  30. 30.1/4 + 1/4 =
  31. 31.10/11 − 2/3 =
  32. 32.1/3 + 2/9 =
  33. 33.2/6 + 1/6 =
  34. 34.1/3 − 1/4 =
  35. 35.2/3 − 2/6 =
  36. 36.6/10 + 1/2 =
  37. 37.2/3 + 1/2 =
  38. 38.6/8 − 5/10 =
  39. 39.7/8 + 4/8 =
  40. 40.5/11 + 3/9 =

Answer key

  1. 7/15
  2. 13/12
  3. 9/11
  4. 17/12
  5. 29/21
  6. 69/88
  7. 5/6
  8. 29/55
  9. 20/99
  10. 6/5
  11. 11/10
  12. 1/6
  13. 7/18
  14. 6/5
  15. 3/10
  16. 30/77
  17. 3/5
  18. 5/6
  19. 17/60
  20. 37/132
  21. 1/4
  22. 43/90
  23. 147/110
  24. 13/55
  25. 11/24
  26. 1/10
  27. 77/72
  28. 1/3
  29. 17/60
  30. 1/2
  31. 8/33
  32. 5/9
  33. 1/2
  34. 1/12
  35. 1/3
  36. 11/10
  37. 7/6
  38. 1/4
  39. 11/8
  40. 26/33

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