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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 328 · 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. 1.5/11 − 1/3 =
  2. 2.6/7 − 1/3 =
  3. 3.9/11 − 7/12 =
  4. 4.4/5 − 5/7 =
  5. 5.8/11 + 6/10 =
  6. 6.1/2 + 2/5 =
  7. 7.1/2 + 7/11 =
  8. 8.6/10 + 5/6 =
  9. 9.4/6 + 1/5 =
  10. 10.6/11 − 2/12 =
  11. 11.2/3 + 2/6 =
  12. 12.2/3 + 2/3 =
  13. 13.1/3 − 2/9 =
  14. 14.8/9 + 1/3 =
  15. 15.7/12 − 6/12 =
  16. 16.1/3 − 1/5 =
  17. 17.1/8 + 1/3 =
  18. 18.2/3 − 1/2 =
  19. 19.2/6 + 3/5 =
  20. 20.1/5 + 3/10 =
  21. 21.3/4 + 5/6 =
  22. 22.1/7 − 1/9 =
  23. 23.1/12 + 2/7 =
  24. 24.6/8 + 1/5 =
  25. 25.1/4 + 1/4 =
  26. 26.4/6 + 1/3 =
  27. 27.8/9 − 4/5 =
  28. 28.1/2 + 1/8 =
  29. 29.6/12 + 1/2 =
  30. 30.7/8 + 2/4 =
  31. 31.8/10 + 1/2 =
  32. 32.2/3 + 1/3 =
  33. 33.1/4 + 2/4 =
  34. 34.2/5 − 1/5 =
  35. 35.8/10 + 2/5 =
  36. 36.1/11 − 1/12 =
  37. 37.2/7 + 1/2 =
  38. 38.2/3 + 4/6 =
  39. 39.1/4 + 2/7 =
  40. 40.1/3 + 9/10 =

Answer key

  1. 4/33
  2. 11/21
  3. 31/132
  4. 3/35
  5. 73/55
  6. 9/10
  7. 25/22
  8. 43/30
  9. 13/15
  10. 25/66
  11. 1
  12. 4/3
  13. 1/9
  14. 11/9
  15. 1/12
  16. 2/15
  17. 11/24
  18. 1/6
  19. 14/15
  20. 1/2
  21. 19/12
  22. 2/63
  23. 31/84
  24. 19/20
  25. 1/2
  26. 1
  27. 4/45
  28. 5/8
  29. 1
  30. 11/8
  31. 13/10
  32. 1
  33. 3/4
  34. 1/5
  35. 6/5
  36. 1/132
  37. 11/14
  38. 4/3
  39. 15/28
  40. 37/30

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