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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 767 · 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. 1.1/2 + 2/6 =
  2. 2.1/2 − 1/3 =
  3. 3.5/10 − 2/6 =
  4. 4.4/6 − 1/5 =
  5. 5.2/5 + 4/10 =
  6. 6.5/6 − 3/5 =
  7. 7.1/3 + 2/12 =
  8. 8.9/10 − 1/3 =
  9. 9.5/9 + 1/7 =
  10. 10.1/2 + 1/2 =
  11. 11.3/9 + 2/7 =
  12. 12.2/6 + 2/10 =
  13. 13.2/4 − 1/4 =
  14. 14.2/5 − 1/5 =
  15. 15.1/2 + 1/2 =
  16. 16.7/8 − 1/2 =
  17. 17.4/6 + 3/6 =
  18. 18.2/4 − 3/11 =
  19. 19.1/6 + 2/3 =
  20. 20.2/5 + 2/8 =
  21. 21.3/5 − 1/2 =
  22. 22.2/5 − 2/9 =
  23. 23.2/3 − 5/10 =
  24. 24.4/5 − 3/9 =
  25. 25.2/3 + 2/4 =
  26. 26.7/12 + 8/11 =
  27. 27.7/9 − 2/3 =
  28. 28.11/12 + 9/12 =
  29. 29.2/6 + 7/12 =
  30. 30.3/5 + 1/6 =
  31. 31.4/12 + 1/2 =
  32. 32.2/10 − 1/7 =
  33. 33.4/6 + 8/10 =
  34. 34.7/10 + 5/12 =
  35. 35.2/7 + 2/11 =
  36. 36.3/7 − 2/7 =
  37. 37.7/9 − 4/7 =
  38. 38.4/5 − 6/8 =
  39. 39.5/11 + 5/6 =
  40. 40.5/7 + 1/3 =

Answer key

  1. 5/6
  2. 1/6
  3. 1/6
  4. 7/15
  5. 4/5
  6. 7/30
  7. 1/2
  8. 17/30
  9. 44/63
  10. 1
  11. 13/21
  12. 8/15
  13. 1/4
  14. 1/5
  15. 1
  16. 3/8
  17. 7/6
  18. 5/22
  19. 5/6
  20. 13/20
  21. 1/10
  22. 8/45
  23. 1/6
  24. 7/15
  25. 7/6
  26. 173/132
  27. 1/9
  28. 5/3
  29. 11/12
  30. 23/30
  31. 5/6
  32. 2/35
  33. 22/15
  34. 67/60
  35. 36/77
  36. 1/7
  37. 13/63
  38. 1/20
  39. 85/66
  40. 22/21

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