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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 326 · 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. 1.2/6 + 5/11 =
  2. 2.1/2 + 7/10 =
  3. 3.3/6 + 2/4 =
  4. 4.1/5 + 1/2 =
  5. 5.9/10 − 3/4 =
  6. 6.1/2 − 2/8 =
  7. 7.2/5 + 5/12 =
  8. 8.1/2 + 1/2 =
  9. 9.5/7 − 3/12 =
  10. 10.1/2 + 5/7 =
  11. 11.8/11 − 3/8 =
  12. 12.10/11 + 2/3 =
  13. 13.1/2 + 1/2 =
  14. 14.2/11 + 2/6 =
  15. 15.9/12 + 6/7 =
  16. 16.8/11 − 5/12 =
  17. 17.3/8 − 4/12 =
  18. 18.9/11 + 4/7 =
  19. 19.1/11 + 2/4 =
  20. 20.1/2 + 1/3 =
  21. 21.8/9 + 4/7 =
  22. 22.2/4 − 1/4 =
  23. 23.2/3 + 7/11 =
  24. 24.1/8 + 2/5 =
  25. 25.1/3 + 1/7 =
  26. 26.4/9 + 4/9 =
  27. 27.4/6 + 9/11 =
  28. 28.1/2 − 1/9 =
  29. 29.8/9 + 4/7 =
  30. 30.5/7 + 1/4 =
  31. 31.1/3 + 1/2 =
  32. 32.1/3 + 2/5 =
  33. 33.5/6 + 1/4 =
  34. 34.5/10 − 1/3 =
  35. 35.1/11 + 1/2 =
  36. 36.1/3 + 5/11 =
  37. 37.7/9 + 4/7 =
  38. 38.1/6 + 1/10 =
  39. 39.1/2 + 1/2 =
  40. 40.1/2 + 7/11 =

Answer key

  1. 26/33
  2. 6/5
  3. 1
  4. 7/10
  5. 3/20
  6. 1/4
  7. 49/60
  8. 1
  9. 13/28
  10. 17/14
  11. 31/88
  12. 52/33
  13. 1
  14. 17/33
  15. 45/28
  16. 41/132
  17. 1/24
  18. 107/77
  19. 13/22
  20. 5/6
  21. 92/63
  22. 1/4
  23. 43/33
  24. 21/40
  25. 10/21
  26. 8/9
  27. 49/33
  28. 7/18
  29. 92/63
  30. 27/28
  31. 5/6
  32. 11/15
  33. 13/12
  34. 1/6
  35. 13/22
  36. 26/33
  37. 85/63
  38. 4/15
  39. 1
  40. 25/22

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