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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 967 · 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. 1.2/10 + 3/11 =
  2. 2.9/10 − 5/8 =
  3. 3.1/6 + 1/2 =
  4. 4.2/5 + 1/3 =
  5. 5.4/5 − 1/2 =
  6. 6.7/12 − 1/8 =
  7. 7.4/5 − 4/10 =
  8. 8.1/9 + 2/7 =
  9. 9.3/4 − 1/3 =
  10. 10.5/9 − 3/10 =
  11. 11.2/6 + 1/2 =
  12. 12.9/10 + 4/6 =
  13. 13.1/4 + 3/4 =
  14. 14.8/9 − 1/7 =
  15. 15.1/6 + 3/5 =
  16. 16.4/7 − 1/6 =
  17. 17.7/12 + 5/6 =
  18. 18.1/2 + 3/4 =
  19. 19.1/3 + 5/7 =
  20. 20.7/11 + 8/12 =
  21. 21.1/2 − 1/3 =
  22. 22.1/2 + 1/2 =
  23. 23.4/8 + 6/7 =
  24. 24.1/2 + 5/10 =
  25. 25.1/4 + 1/8 =
  26. 26.4/6 + 1/2 =
  27. 27.3/4 − 2/3 =
  28. 28.7/8 + 1/7 =
  29. 29.1/2 + 1/4 =
  30. 30.1/2 + 5/6 =
  31. 31.1/8 + 5/6 =
  32. 32.1/6 − 1/11 =
  33. 33.1/5 + 6/8 =
  34. 34.4/7 + 1/2 =
  35. 35.9/10 − 1/3 =
  36. 36.10/12 + 1/6 =
  37. 37.6/7 − 1/2 =
  38. 38.2/4 − 3/11 =
  39. 39.8/12 − 1/3 =
  40. 40.4/7 + 7/9 =

Answer key

  1. 26/55
  2. 11/40
  3. 2/3
  4. 11/15
  5. 3/10
  6. 11/24
  7. 2/5
  8. 25/63
  9. 5/12
  10. 23/90
  11. 5/6
  12. 47/30
  13. 1
  14. 47/63
  15. 23/30
  16. 17/42
  17. 17/12
  18. 5/4
  19. 22/21
  20. 43/33
  21. 1/6
  22. 1
  23. 19/14
  24. 1
  25. 3/8
  26. 7/6
  27. 1/12
  28. 57/56
  29. 3/4
  30. 4/3
  31. 23/24
  32. 5/66
  33. 19/20
  34. 15/14
  35. 17/30
  36. 1
  37. 5/14
  38. 5/22
  39. 1/3
  40. 85/63

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