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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 622 · 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. 1.5/9 + 6/12 =
  2. 2.5/6 − 2/3 =
  3. 3.2/5 + 4/5 =
  4. 4.11/12 − 3/12 =
  5. 5.1/4 + 5/7 =
  6. 6.8/11 + 3/4 =
  7. 7.1/2 − 2/7 =
  8. 8.8/10 − 2/3 =
  9. 9.2/11 + 2/6 =
  10. 10.6/7 + 1/5 =
  11. 11.4/5 − 1/8 =
  12. 12.2/8 + 2/4 =
  13. 13.4/5 − 3/10 =
  14. 14.8/11 − 2/3 =
  15. 15.2/9 − 1/5 =
  16. 16.4/10 − 1/5 =
  17. 17.1/8 + 7/9 =
  18. 18.2/11 + 9/10 =
  19. 19.8/12 − 1/9 =
  20. 20.1/4 + 1/3 =
  21. 21.3/4 − 1/4 =
  22. 22.2/3 + 2/6 =
  23. 23.8/11 + 1/4 =
  24. 24.7/9 + 1/4 =
  25. 25.3/6 + 1/5 =
  26. 26.2/4 + 2/4 =
  27. 27.4/5 + 1/3 =
  28. 28.1/3 + 3/11 =
  29. 29.9/12 + 3/11 =
  30. 30.3/11 + 2/11 =
  31. 31.4/7 + 1/7 =
  32. 32.3/6 + 4/9 =
  33. 33.4/5 + 4/10 =
  34. 34.9/11 + 2/9 =
  35. 35.2/8 + 1/3 =
  36. 36.4/5 − 1/2 =
  37. 37.1/2 + 2/3 =
  38. 38.2/3 − 5/12 =
  39. 39.6/7 − 3/8 =
  40. 40.5/11 + 3/5 =

Answer key

  1. 19/18
  2. 1/6
  3. 6/5
  4. 2/3
  5. 27/28
  6. 65/44
  7. 3/14
  8. 2/15
  9. 17/33
  10. 37/35
  11. 27/40
  12. 3/4
  13. 1/2
  14. 2/33
  15. 1/45
  16. 1/5
  17. 65/72
  18. 119/110
  19. 5/9
  20. 7/12
  21. 1/2
  22. 1
  23. 43/44
  24. 37/36
  25. 7/10
  26. 1
  27. 17/15
  28. 20/33
  29. 45/44
  30. 5/11
  31. 5/7
  32. 17/18
  33. 6/5
  34. 103/99
  35. 7/12
  36. 3/10
  37. 7/6
  38. 1/4
  39. 27/56
  40. 58/55

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