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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 925 · 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. 1.3/4 + 4/10 =
  2. 2.8/9 + 3/4 =
  3. 3.6/7 + 1/5 =
  4. 4.2/6 + 7/9 =
  5. 5.1/2 + 6/7 =
  6. 6.2/4 + 8/11 =
  7. 7.5/6 − 1/3 =
  8. 8.2/3 − 1/2 =
  9. 9.3/4 − 6/10 =
  10. 10.5/8 + 10/11 =
  11. 11.6/7 + 2/4 =
  12. 12.4/9 + 1/3 =
  13. 13.1/7 + 1/8 =
  14. 14.3/11 + 1/2 =
  15. 15.5/11 + 4/5 =
  16. 16.6/7 + 5/6 =
  17. 17.7/11 + 1/6 =
  18. 18.8/11 − 1/2 =
  19. 19.6/9 − 3/10 =
  20. 20.2/3 − 3/8 =
  21. 21.1/3 + 4/5 =
  22. 22.3/6 + 1/2 =
  23. 23.3/5 − 4/12 =
  24. 24.2/10 − 1/6 =
  25. 25.3/9 + 2/9 =
  26. 26.3/4 + 1/4 =
  27. 27.2/4 + 2/10 =
  28. 28.1/7 + 5/8 =
  29. 29.6/7 − 4/7 =
  30. 30.4/5 − 5/12 =
  31. 31.2/3 + 4/10 =
  32. 32.4/10 + 4/7 =
  33. 33.8/9 − 1/5 =
  34. 34.8/12 + 4/9 =
  35. 35.4/5 + 2/12 =
  36. 36.1/2 + 4/5 =
  37. 37.5/10 + 4/7 =
  38. 38.1/4 + 3/5 =
  39. 39.2/3 + 4/6 =
  40. 40.1/5 + 3/11 =

Answer key

  1. 23/20
  2. 59/36
  3. 37/35
  4. 10/9
  5. 19/14
  6. 27/22
  7. 1/2
  8. 1/6
  9. 3/20
  10. 135/88
  11. 19/14
  12. 7/9
  13. 15/56
  14. 17/22
  15. 69/55
  16. 71/42
  17. 53/66
  18. 5/22
  19. 11/30
  20. 7/24
  21. 17/15
  22. 1
  23. 4/15
  24. 1/30
  25. 5/9
  26. 1
  27. 7/10
  28. 43/56
  29. 2/7
  30. 23/60
  31. 16/15
  32. 34/35
  33. 31/45
  34. 10/9
  35. 29/30
  36. 13/10
  37. 15/14
  38. 17/20
  39. 4/3
  40. 26/55

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