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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 585 · 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. 1.7/12 + 3/6 =
  2. 2.2/3 + 2/6 =
  3. 3.3/11 + 1/4 =
  4. 4.1/2 + 7/10 =
  5. 5.4/5 − 4/9 =
  6. 6.1/4 + 1/2 =
  7. 7.1/2 + 3/12 =
  8. 8.2/4 + 5/11 =
  9. 9.2/9 + 5/8 =
  10. 10.2/5 − 2/8 =
  11. 11.1/3 + 1/3 =
  12. 12.7/8 − 1/7 =
  13. 13.7/11 + 3/6 =
  14. 14.1/4 + 9/12 =
  15. 15.1/9 + 8/11 =
  16. 16.1/3 + 6/7 =
  17. 17.1/10 + 1/3 =
  18. 18.3/7 − 2/5 =
  19. 19.7/10 − 1/2 =
  20. 20.8/9 − 1/8 =
  21. 21.1/2 − 1/4 =
  22. 22.1/9 + 2/4 =
  23. 23.2/4 + 9/11 =
  24. 24.1/3 − 1/10 =
  25. 25.5/8 + 1/3 =
  26. 26.3/4 − 2/12 =
  27. 27.5/6 − 3/9 =
  28. 28.2/5 − 1/3 =
  29. 29.1/2 + 4/11 =
  30. 30.8/9 + 3/10 =
  31. 31.4/12 + 3/5 =
  32. 32.5/7 − 2/12 =
  33. 33.1/8 + 1/2 =
  34. 34.1/2 + 3/4 =
  35. 35.3/6 + 6/9 =
  36. 36.4/8 − 4/11 =
  37. 37.9/10 + 5/12 =
  38. 38.2/4 − 5/11 =
  39. 39.6/7 − 4/12 =
  40. 40.3/7 + 6/7 =

Answer key

  1. 13/12
  2. 1
  3. 23/44
  4. 6/5
  5. 16/45
  6. 3/4
  7. 3/4
  8. 21/22
  9. 61/72
  10. 3/20
  11. 2/3
  12. 41/56
  13. 25/22
  14. 1
  15. 83/99
  16. 25/21
  17. 13/30
  18. 1/35
  19. 1/5
  20. 55/72
  21. 1/4
  22. 11/18
  23. 29/22
  24. 7/30
  25. 23/24
  26. 7/12
  27. 1/2
  28. 1/15
  29. 19/22
  30. 107/90
  31. 14/15
  32. 23/42
  33. 5/8
  34. 5/4
  35. 7/6
  36. 3/22
  37. 79/60
  38. 1/22
  39. 11/21
  40. 9/7

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