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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 311 · 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. 1.2/6 + 1/5 =
  2. 2.2/4 + 4/5 =
  3. 3.1/7 + 3/6 =
  4. 4.1/4 + 1/4 =
  5. 5.1/6 + 6/8 =
  6. 6.1/3 − 2/10 =
  7. 7.2/6 + 4/10 =
  8. 8.2/9 + 3/7 =
  9. 9.1/4 + 6/7 =
  10. 10.2/3 − 1/4 =
  11. 11.1/2 − 2/5 =
  12. 12.1/3 − 2/8 =
  13. 13.3/4 − 6/9 =
  14. 14.2/3 + 5/10 =
  15. 15.3/4 + 3/8 =
  16. 16.8/9 − 1/9 =
  17. 17.2/5 + 1/2 =
  18. 18.3/5 − 1/6 =
  19. 19.6/11 − 1/5 =
  20. 20.2/8 + 1/2 =
  21. 21.1/7 + 2/6 =
  22. 22.1/7 + 5/6 =
  23. 23.1/3 − 1/5 =
  24. 24.9/10 − 1/3 =
  25. 25.1/11 + 7/8 =
  26. 26.6/7 + 6/10 =
  27. 27.3/12 + 1/4 =
  28. 28.1/2 + 7/8 =
  29. 29.1/7 + 1/2 =
  30. 30.1/2 + 2/10 =
  31. 31.9/10 + 2/3 =
  32. 32.1/2 + 5/9 =
  33. 33.1/2 + 2/10 =
  34. 34.3/7 + 4/6 =
  35. 35.4/5 − 1/11 =
  36. 36.1/5 − 1/6 =
  37. 37.5/7 − 2/3 =
  38. 38.5/11 + 11/12 =
  39. 39.9/10 − 1/2 =
  40. 40.3/12 + 4/11 =

Answer key

  1. 8/15
  2. 13/10
  3. 9/14
  4. 1/2
  5. 11/12
  6. 2/15
  7. 11/15
  8. 41/63
  9. 31/28
  10. 5/12
  11. 1/10
  12. 1/12
  13. 1/12
  14. 7/6
  15. 9/8
  16. 7/9
  17. 9/10
  18. 13/30
  19. 19/55
  20. 3/4
  21. 10/21
  22. 41/42
  23. 2/15
  24. 17/30
  25. 85/88
  26. 51/35
  27. 1/2
  28. 11/8
  29. 9/14
  30. 7/10
  31. 47/30
  32. 19/18
  33. 7/10
  34. 23/21
  35. 39/55
  36. 1/30
  37. 1/21
  38. 181/132
  39. 2/5
  40. 27/44

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