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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 753 · 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. 1.3/6 + 1/2 =
  2. 2.4/11 + 3/6 =
  3. 3.5/10 − 4/11 =
  4. 4.2/12 + 5/11 =
  5. 5.7/12 − 3/7 =
  6. 6.8/9 + 4/8 =
  7. 7.6/10 + 1/3 =
  8. 8.3/6 + 1/3 =
  9. 9.3/12 + 2/3 =
  10. 10.2/6 + 2/6 =
  11. 11.1/2 − 1/3 =
  12. 12.3/6 − 2/6 =
  13. 13.6/8 − 2/10 =
  14. 14.6/10 + 1/2 =
  15. 15.2/3 + 2/3 =
  16. 16.8/12 − 3/12 =
  17. 17.1/7 + 1/7 =
  18. 18.4/6 + 2/6 =
  19. 19.7/10 + 2/3 =
  20. 20.1/2 − 1/6 =
  21. 21.11/12 + 1/5 =
  22. 22.8/9 + 5/7 =
  23. 23.6/8 − 2/10 =
  24. 24.10/11 − 2/9 =
  25. 25.1/5 + 4/7 =
  26. 26.5/9 − 1/12 =
  27. 27.2/12 + 3/4 =
  28. 28.3/4 + 3/5 =
  29. 29.3/11 + 2/11 =
  30. 30.2/11 + 1/3 =
  31. 31.1/5 + 1/5 =
  32. 32.1/2 + 2/8 =
  33. 33.1/6 + 7/10 =
  34. 34.2/8 + 1/6 =
  35. 35.1/5 + 5/9 =
  36. 36.4/8 − 3/11 =
  37. 37.1/3 + 5/9 =
  38. 38.3/5 − 3/10 =
  39. 39.6/7 + 9/12 =
  40. 40.2/7 + 2/4 =

Answer key

  1. 1
  2. 19/22
  3. 3/22
  4. 41/66
  5. 13/84
  6. 25/18
  7. 14/15
  8. 5/6
  9. 11/12
  10. 2/3
  11. 1/6
  12. 1/6
  13. 11/20
  14. 11/10
  15. 4/3
  16. 5/12
  17. 2/7
  18. 1
  19. 41/30
  20. 1/3
  21. 67/60
  22. 101/63
  23. 11/20
  24. 68/99
  25. 27/35
  26. 17/36
  27. 11/12
  28. 27/20
  29. 5/11
  30. 17/33
  31. 2/5
  32. 3/4
  33. 13/15
  34. 5/12
  35. 34/45
  36. 5/22
  37. 8/9
  38. 3/10
  39. 45/28
  40. 11/14

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