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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 896 · 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. 1.2/3 − 3/8 =
  2. 2.8/9 − 8/11 =
  3. 3.2/3 − 6/11 =
  4. 4.2/6 + 2/6 =
  5. 5.7/11 − 1/4 =
  6. 6.2/7 + 2/4 =
  7. 7.2/3 + 3/8 =
  8. 8.1/8 + 1/7 =
  9. 9.2/3 + 6/9 =
  10. 10.8/10 + 3/6 =
  11. 11.1/3 + 8/9 =
  12. 12.2/3 + 2/8 =
  13. 13.5/6 − 3/9 =
  14. 14.10/12 − 5/10 =
  15. 15.1/2 + 1/8 =
  16. 16.3/4 + 3/4 =
  17. 17.4/8 + 1/4 =
  18. 18.1/2 − 4/10 =
  19. 19.6/9 − 1/3 =
  20. 20.1/7 + 6/9 =
  21. 21.2/7 − 1/5 =
  22. 22.6/7 − 4/9 =
  23. 23.1/5 + 2/11 =
  24. 24.4/7 − 1/7 =
  25. 25.2/5 − 1/7 =
  26. 26.6/12 + 5/6 =
  27. 27.1/7 + 2/3 =
  28. 28.11/12 − 4/10 =
  29. 29.2/3 − 3/6 =
  30. 30.3/6 + 4/10 =
  31. 31.11/12 − 7/11 =
  32. 32.3/5 + 7/9 =
  33. 33.11/12 − 2/12 =
  34. 34.3/11 + 1/5 =
  35. 35.3/9 + 4/8 =
  36. 36.2/7 + 1/2 =
  37. 37.10/11 + 4/8 =
  38. 38.3/10 + 4/5 =
  39. 39.4/12 + 1/2 =
  40. 40.5/11 + 1/6 =

Answer key

  1. 7/24
  2. 16/99
  3. 4/33
  4. 2/3
  5. 17/44
  6. 11/14
  7. 25/24
  8. 15/56
  9. 4/3
  10. 13/10
  11. 11/9
  12. 11/12
  13. 1/2
  14. 1/3
  15. 5/8
  16. 3/2
  17. 3/4
  18. 1/10
  19. 1/3
  20. 17/21
  21. 3/35
  22. 26/63
  23. 21/55
  24. 3/7
  25. 9/35
  26. 4/3
  27. 17/21
  28. 31/60
  29. 1/6
  30. 9/10
  31. 37/132
  32. 62/45
  33. 3/4
  34. 26/55
  35. 5/6
  36. 11/14
  37. 31/22
  38. 11/10
  39. 5/6
  40. 41/66

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