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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 667 · 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. 1.2/6 − 1/6 =
  2. 2.10/12 − 1/3 =
  3. 3.1/2 − 4/11 =
  4. 4.9/12 − 2/3 =
  5. 5.7/11 − 1/3 =
  6. 6.9/11 + 2/4 =
  7. 7.2/6 + 1/5 =
  8. 8.9/11 + 1/2 =
  9. 9.2/3 − 4/7 =
  10. 10.10/11 − 5/11 =
  11. 11.4/6 + 2/6 =
  12. 12.7/8 + 2/3 =
  13. 13.9/11 − 5/7 =
  14. 14.2/3 + 3/11 =
  15. 15.3/6 + 1/4 =
  16. 16.1/2 + 1/2 =
  17. 17.4/10 + 1/5 =
  18. 18.1/4 + 2/3 =
  19. 19.2/5 − 2/10 =
  20. 20.11/12 − 1/2 =
  21. 21.5/9 − 1/4 =
  22. 22.8/11 − 4/11 =
  23. 23.9/11 + 6/7 =
  24. 24.4/7 − 1/7 =
  25. 25.6/12 + 1/5 =
  26. 26.4/5 + 1/6 =
  27. 27.2/10 + 9/12 =
  28. 28.1/3 − 1/6 =
  29. 29.3/5 + 1/3 =
  30. 30.7/8 − 3/12 =
  31. 31.2/5 − 2/6 =
  32. 32.2/3 − 1/6 =
  33. 33.4/7 − 1/2 =
  34. 34.4/5 − 1/8 =
  35. 35.3/10 + 6/11 =
  36. 36.8/9 + 8/10 =
  37. 37.5/6 − 2/7 =
  38. 38.1/2 + 4/10 =
  39. 39.1/5 + 2/10 =
  40. 40.7/9 − 7/11 =

Answer key

  1. 1/6
  2. 1/2
  3. 3/22
  4. 1/12
  5. 10/33
  6. 29/22
  7. 8/15
  8. 29/22
  9. 2/21
  10. 5/11
  11. 1
  12. 37/24
  13. 8/77
  14. 31/33
  15. 3/4
  16. 1
  17. 3/5
  18. 11/12
  19. 1/5
  20. 5/12
  21. 11/36
  22. 4/11
  23. 129/77
  24. 3/7
  25. 7/10
  26. 29/30
  27. 19/20
  28. 1/6
  29. 14/15
  30. 5/8
  31. 1/15
  32. 1/2
  33. 1/14
  34. 27/40
  35. 93/110
  36. 76/45
  37. 23/42
  38. 9/10
  39. 2/5
  40. 14/99

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