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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 442 · 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. 1.3/9 + 2/6 =
  2. 2.1/3 + 4/9 =
  3. 3.1/3 + 1/8 =
  4. 4.1/5 − 1/11 =
  5. 5.6/7 + 10/12 =
  6. 6.2/4 − 2/7 =
  7. 7.9/10 + 5/11 =
  8. 8.1/3 + 4/10 =
  9. 9.4/8 − 4/9 =
  10. 10.1/2 + 5/10 =
  11. 11.1/4 + 3/11 =
  12. 12.6/11 + 1/4 =
  13. 13.1/2 − 2/7 =
  14. 14.1/2 + 8/11 =
  15. 15.1/2 + 1/2 =
  16. 16.2/6 + 2/6 =
  17. 17.1/6 + 2/3 =
  18. 18.9/11 − 1/11 =
  19. 19.2/3 − 2/12 =
  20. 20.2/12 + 8/10 =
  21. 21.1/5 + 8/12 =
  22. 22.4/8 + 7/8 =
  23. 23.4/8 + 3/12 =
  24. 24.6/9 + 1/4 =
  25. 25.1/2 + 1/4 =
  26. 26.1/2 − 4/12 =
  27. 27.9/12 − 1/5 =
  28. 28.1/2 + 2/8 =
  29. 29.6/8 − 6/12 =
  30. 30.1/4 − 2/9 =
  31. 31.2/8 + 5/12 =
  32. 32.3/8 + 1/2 =
  33. 33.6/7 − 1/3 =
  34. 34.5/11 + 2/12 =
  35. 35.5/10 + 1/3 =
  36. 36.1/2 + 10/11 =
  37. 37.1/3 + 2/8 =
  38. 38.7/9 − 1/6 =
  39. 39.1/4 + 5/9 =
  40. 40.3/9 + 1/3 =

Answer key

  1. 2/3
  2. 7/9
  3. 11/24
  4. 6/55
  5. 71/42
  6. 3/14
  7. 149/110
  8. 11/15
  9. 1/18
  10. 1
  11. 23/44
  12. 35/44
  13. 3/14
  14. 27/22
  15. 1
  16. 2/3
  17. 5/6
  18. 8/11
  19. 1/2
  20. 29/30
  21. 13/15
  22. 11/8
  23. 3/4
  24. 11/12
  25. 3/4
  26. 1/6
  27. 11/20
  28. 3/4
  29. 1/4
  30. 1/36
  31. 2/3
  32. 7/8
  33. 11/21
  34. 41/66
  35. 5/6
  36. 31/22
  37. 7/12
  38. 11/18
  39. 29/36
  40. 2/3

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