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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 422 · 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. 1.3/5 − 2/4 =
  2. 2.1/2 + 1/5 =
  3. 3.1/2 + 4/6 =
  4. 4.2/3 − 7/11 =
  5. 5.1/2 + 4/6 =
  6. 6.1/2 + 1/7 =
  7. 7.5/12 + 2/12 =
  8. 8.5/6 − 3/9 =
  9. 9.1/2 + 1/5 =
  10. 10.1/2 + 4/9 =
  11. 11.2/10 + 1/2 =
  12. 12.1/6 + 4/5 =
  13. 13.3/6 + 2/11 =
  14. 14.1/2 + 2/3 =
  15. 15.2/4 + 2/4 =
  16. 16.1/5 + 5/7 =
  17. 17.3/5 + 5/10 =
  18. 18.2/12 + 1/10 =
  19. 19.2/6 + 2/3 =
  20. 20.4/9 + 5/6 =
  21. 21.1/2 − 3/7 =
  22. 22.8/9 + 1/2 =
  23. 23.6/10 − 4/9 =
  24. 24.1/7 + 8/9 =
  25. 25.7/10 + 6/9 =
  26. 26.3/4 − 2/8 =
  27. 27.9/11 − 2/3 =
  28. 28.4/9 + 1/3 =
  29. 29.3/5 − 2/11 =
  30. 30.2/3 + 2/3 =
  31. 31.1/8 + 1/4 =
  32. 32.2/9 + 1/10 =
  33. 33.6/9 + 1/2 =
  34. 34.2/3 + 4/8 =
  35. 35.1/6 + 1/2 =
  36. 36.2/3 + 8/9 =
  37. 37.1/8 + 3/6 =
  38. 38.3/5 − 1/2 =
  39. 39.2/9 + 2/8 =
  40. 40.1/2 + 2/8 =

Answer key

  1. 1/10
  2. 7/10
  3. 7/6
  4. 1/33
  5. 7/6
  6. 9/14
  7. 7/12
  8. 1/2
  9. 7/10
  10. 17/18
  11. 7/10
  12. 29/30
  13. 15/22
  14. 7/6
  15. 1
  16. 32/35
  17. 11/10
  18. 4/15
  19. 1
  20. 23/18
  21. 1/14
  22. 25/18
  23. 7/45
  24. 65/63
  25. 41/30
  26. 1/2
  27. 5/33
  28. 7/9
  29. 23/55
  30. 4/3
  31. 3/8
  32. 29/90
  33. 7/6
  34. 7/6
  35. 2/3
  36. 14/9
  37. 5/8
  38. 1/10
  39. 17/36
  40. 3/4

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