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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 806 · 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. 1.7/9 + 2/6 =
  2. 2.5/8 + 1/7 =
  3. 3.2/10 − 1/11 =
  4. 4.5/10 + 6/12 =
  5. 5.2/6 + 2/9 =
  6. 6.8/10 + 1/2 =
  7. 7.1/3 + 2/3 =
  8. 8.1/3 + 6/7 =
  9. 9.6/8 − 4/6 =
  10. 10.2/4 − 5/11 =
  11. 11.1/5 + 1/2 =
  12. 12.1/2 + 9/11 =
  13. 13.1/2 + 2/3 =
  14. 14.4/8 + 3/12 =
  15. 15.8/12 + 6/7 =
  16. 16.2/8 + 2/3 =
  17. 17.2/8 + 2/3 =
  18. 18.2/3 − 1/2 =
  19. 19.6/9 + 3/7 =
  20. 20.10/11 + 1/5 =
  21. 21.3/4 + 4/9 =
  22. 22.6/9 + 1/3 =
  23. 23.2/3 + 6/9 =
  24. 24.1/10 + 4/8 =
  25. 25.3/4 + 2/3 =
  26. 26.3/11 − 1/5 =
  27. 27.5/8 + 5/10 =
  28. 28.3/8 − 2/7 =
  29. 29.2/11 + 9/12 =
  30. 30.2/11 − 1/8 =
  31. 31.1/3 + 1/2 =
  32. 32.9/10 − 1/4 =
  33. 33.5/6 + 6/9 =
  34. 34.5/12 + 1/7 =
  35. 35.4/10 + 1/2 =
  36. 36.1/2 + 1/8 =
  37. 37.3/5 − 2/5 =
  38. 38.8/9 + 6/10 =
  39. 39.3/9 + 1/3 =
  40. 40.1/3 + 4/5 =

Answer key

  1. 10/9
  2. 43/56
  3. 6/55
  4. 1
  5. 5/9
  6. 13/10
  7. 1
  8. 25/21
  9. 1/12
  10. 1/22
  11. 7/10
  12. 29/22
  13. 7/6
  14. 3/4
  15. 32/21
  16. 11/12
  17. 11/12
  18. 1/6
  19. 23/21
  20. 61/55
  21. 43/36
  22. 1
  23. 4/3
  24. 3/5
  25. 17/12
  26. 4/55
  27. 9/8
  28. 5/56
  29. 41/44
  30. 5/88
  31. 5/6
  32. 13/20
  33. 3/2
  34. 47/84
  35. 9/10
  36. 5/8
  37. 1/5
  38. 67/45
  39. 2/3
  40. 17/15

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