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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 984 · 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. 1.7/11 − 1/6 =
  2. 2.8/9 − 6/7 =
  3. 3.1/4 + 7/11 =
  4. 4.5/8 + 5/7 =
  5. 5.2/4 + 1/6 =
  6. 6.4/5 + 4/9 =
  7. 7.5/8 − 2/6 =
  8. 8.1/2 − 1/10 =
  9. 9.1/4 − 1/5 =
  10. 10.2/4 + 4/11 =
  11. 11.3/7 + 1/6 =
  12. 12.4/12 + 1/6 =
  13. 13.5/8 + 7/12 =
  14. 14.1/2 + 7/10 =
  15. 15.4/12 + 1/4 =
  16. 16.3/4 + 7/12 =
  17. 17.3/6 + 1/3 =
  18. 18.1/11 + 1/2 =
  19. 19.2/10 + 2/5 =
  20. 20.1/6 − 1/8 =
  21. 21.5/12 + 1/9 =
  22. 22.1/8 + 7/12 =
  23. 23.3/6 − 1/5 =
  24. 24.1/5 + 6/9 =
  25. 25.2/4 − 3/8 =
  26. 26.10/12 + 6/10 =
  27. 27.3/8 + 2/4 =
  28. 28.4/12 + 2/9 =
  29. 29.1/6 + 1/2 =
  30. 30.3/5 + 8/11 =
  31. 31.3/6 + 5/8 =
  32. 32.2/5 + 4/5 =
  33. 33.1/2 + 1/2 =
  34. 34.6/8 + 7/8 =
  35. 35.1/2 + 2/5 =
  36. 36.6/8 + 2/7 =
  37. 37.2/5 + 1/2 =
  38. 38.4/9 + 2/9 =
  39. 39.1/3 + 4/6 =
  40. 40.5/6 + 1/4 =

Answer key

  1. 31/66
  2. 2/63
  3. 39/44
  4. 75/56
  5. 2/3
  6. 56/45
  7. 7/24
  8. 2/5
  9. 1/20
  10. 19/22
  11. 25/42
  12. 1/2
  13. 29/24
  14. 6/5
  15. 7/12
  16. 4/3
  17. 5/6
  18. 13/22
  19. 3/5
  20. 1/24
  21. 19/36
  22. 17/24
  23. 3/10
  24. 13/15
  25. 1/8
  26. 43/30
  27. 7/8
  28. 5/9
  29. 2/3
  30. 73/55
  31. 9/8
  32. 6/5
  33. 1
  34. 13/8
  35. 9/10
  36. 29/28
  37. 9/10
  38. 2/3
  39. 1
  40. 13/12

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