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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 173 · 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. 1.5/8 − 1/6 =
  2. 2.9/11 + 10/12 =
  3. 3.10/11 + 3/6 =
  4. 4.3/4 − 1/3 =
  5. 5.6/9 + 1/2 =
  6. 6.2/3 + 5/6 =
  7. 7.5/9 + 2/4 =
  8. 8.2/4 + 5/11 =
  9. 9.8/11 + 3/6 =
  10. 10.1/2 + 2/3 =
  11. 11.1/2 + 5/11 =
  12. 12.5/6 + 5/9 =
  13. 13.9/11 + 4/7 =
  14. 14.5/12 + 7/9 =
  15. 15.7/11 − 2/7 =
  16. 16.2/4 − 2/6 =
  17. 17.4/9 − 2/7 =
  18. 18.1/4 + 2/3 =
  19. 19.3/5 − 1/2 =
  20. 20.1/8 + 5/7 =
  21. 21.2/6 + 1/4 =
  22. 22.1/5 − 1/9 =
  23. 23.1/3 + 9/11 =
  24. 24.4/9 + 5/6 =
  25. 25.9/11 + 2/6 =
  26. 26.1/2 + 1/5 =
  27. 27.2/5 + 8/12 =
  28. 28.2/3 + 1/4 =
  29. 29.1/2 + 1/3 =
  30. 30.1/10 + 1/2 =
  31. 31.2/3 + 4/7 =
  32. 32.6/8 − 7/12 =
  33. 33.1/6 + 1/2 =
  34. 34.10/12 + 7/8 =
  35. 35.8/11 + 9/12 =
  36. 36.5/7 − 3/6 =
  37. 37.1/12 + 2/5 =
  38. 38.9/11 − 1/5 =
  39. 39.3/5 + 2/7 =
  40. 40.3/10 − 1/6 =

Answer key

  1. 11/24
  2. 109/66
  3. 31/22
  4. 5/12
  5. 7/6
  6. 3/2
  7. 19/18
  8. 21/22
  9. 27/22
  10. 7/6
  11. 21/22
  12. 25/18
  13. 107/77
  14. 43/36
  15. 27/77
  16. 1/6
  17. 10/63
  18. 11/12
  19. 1/10
  20. 47/56
  21. 7/12
  22. 4/45
  23. 38/33
  24. 23/18
  25. 38/33
  26. 7/10
  27. 16/15
  28. 11/12
  29. 5/6
  30. 3/5
  31. 26/21
  32. 1/6
  33. 2/3
  34. 41/24
  35. 65/44
  36. 3/14
  37. 29/60
  38. 34/55
  39. 31/35
  40. 2/15

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