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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 433 · 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. 1.2/4 + 2/5 =
  2. 2.5/12 + 9/12 =
  3. 3.2/3 + 1/11 =
  4. 4.2/6 + 3/6 =
  5. 5.2/11 + 6/11 =
  6. 6.2/6 + 1/2 =
  7. 7.1/4 − 1/9 =
  8. 8.9/12 + 1/4 =
  9. 9.8/9 − 1/2 =
  10. 10.2/12 + 7/8 =
  11. 11.1/2 + 2/5 =
  12. 12.1/3 + 5/7 =
  13. 13.6/7 + 1/2 =
  14. 14.8/10 − 3/5 =
  15. 15.1/3 + 2/5 =
  16. 16.2/8 + 2/5 =
  17. 17.2/4 − 3/10 =
  18. 18.1/11 + 2/3 =
  19. 19.1/3 + 4/10 =
  20. 20.1/2 + 1/5 =
  21. 21.1/3 − 2/9 =
  22. 22.2/3 + 1/8 =
  23. 23.3/4 + 1/2 =
  24. 24.1/2 − 2/8 =
  25. 25.1/7 + 4/6 =
  26. 26.3/11 + 2/3 =
  27. 27.7/8 − 1/2 =
  28. 28.1/2 − 1/5 =
  29. 29.2/4 + 3/4 =
  30. 30.1/2 + 1/2 =
  31. 31.5/7 + 5/6 =
  32. 32.8/9 − 2/9 =
  33. 33.7/10 + 1/12 =
  34. 34.4/9 + 10/11 =
  35. 35.9/12 − 1/3 =
  36. 36.7/11 + 1/2 =
  37. 37.1/2 + 1/6 =
  38. 38.1/3 + 2/7 =
  39. 39.1/4 − 1/10 =
  40. 40.2/5 − 2/12 =

Answer key

  1. 9/10
  2. 7/6
  3. 25/33
  4. 5/6
  5. 8/11
  6. 5/6
  7. 5/36
  8. 1
  9. 7/18
  10. 25/24
  11. 9/10
  12. 22/21
  13. 19/14
  14. 1/5
  15. 11/15
  16. 13/20
  17. 1/5
  18. 25/33
  19. 11/15
  20. 7/10
  21. 1/9
  22. 19/24
  23. 5/4
  24. 1/4
  25. 17/21
  26. 31/33
  27. 3/8
  28. 3/10
  29. 5/4
  30. 1
  31. 65/42
  32. 2/3
  33. 47/60
  34. 134/99
  35. 5/12
  36. 25/22
  37. 2/3
  38. 13/21
  39. 3/20
  40. 7/30

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