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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 234 · 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. 1.2/5 + 5/8 =
  2. 2.6/10 − 2/12 =
  3. 3.4/6 − 1/3 =
  4. 4.2/10 + 2/3 =
  5. 5.2/11 + 1/2 =
  6. 6.1/3 + 1/3 =
  7. 7.1/4 + 1/11 =
  8. 8.1/4 + 1/4 =
  9. 9.1/2 − 2/12 =
  10. 10.2/4 − 3/9 =
  11. 11.1/7 + 2/9 =
  12. 12.6/11 − 4/10 =
  13. 13.1/11 + 1/12 =
  14. 14.2/3 + 3/6 =
  15. 15.4/5 − 2/9 =
  16. 16.3/4 − 4/9 =
  17. 17.1/2 + 1/2 =
  18. 18.1/2 + 9/11 =
  19. 19.10/12 − 2/12 =
  20. 20.1/3 + 2/11 =
  21. 21.2/3 + 3/9 =
  22. 22.6/10 + 1/9 =
  23. 23.7/8 + 1/3 =
  24. 24.7/9 + 8/10 =
  25. 25.8/11 − 1/3 =
  26. 26.1/3 − 2/12 =
  27. 27.2/3 − 1/2 =
  28. 28.9/11 − 4/8 =
  29. 29.2/4 − 1/9 =
  30. 30.5/6 − 1/6 =
  31. 31.1/5 + 3/6 =
  32. 32.3/8 + 1/2 =
  33. 33.3/8 + 1/2 =
  34. 34.5/8 − 1/7 =
  35. 35.5/6 + 10/12 =
  36. 36.3/10 + 1/2 =
  37. 37.1/2 + 1/2 =
  38. 38.1/8 + 2/12 =
  39. 39.6/10 + 2/6 =
  40. 40.4/5 + 1/4 =

Answer key

  1. 41/40
  2. 13/30
  3. 1/3
  4. 13/15
  5. 15/22
  6. 2/3
  7. 15/44
  8. 1/2
  9. 1/3
  10. 1/6
  11. 23/63
  12. 8/55
  13. 23/132
  14. 7/6
  15. 26/45
  16. 11/36
  17. 1
  18. 29/22
  19. 2/3
  20. 17/33
  21. 1
  22. 32/45
  23. 29/24
  24. 71/45
  25. 13/33
  26. 1/6
  27. 1/6
  28. 7/22
  29. 7/18
  30. 2/3
  31. 7/10
  32. 7/8
  33. 7/8
  34. 27/56
  35. 5/3
  36. 4/5
  37. 1
  38. 7/24
  39. 14/15
  40. 21/20

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