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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 627 · 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 + 1/2 =
  2. 2.1/2 + 6/7 =
  3. 3.1/3 + 2/6 =
  4. 4.4/7 − 2/4 =
  5. 5.2/3 − 4/11 =
  6. 6.6/8 − 2/10 =
  7. 7.5/8 − 4/7 =
  8. 8.3/5 + 3/4 =
  9. 9.3/7 − 3/8 =
  10. 10.3/4 + 5/7 =
  11. 11.4/7 − 2/10 =
  12. 12.2/3 + 4/12 =
  13. 13.3/5 + 8/9 =
  14. 14.4/8 + 3/6 =
  15. 15.4/5 − 3/7 =
  16. 16.1/2 + 6/11 =
  17. 17.5/8 − 1/10 =
  18. 18.7/12 + 4/6 =
  19. 19.6/11 + 4/5 =
  20. 20.6/10 − 1/3 =
  21. 21.11/12 − 2/9 =
  22. 22.1/2 + 2/10 =
  23. 23.1/6 + 3/11 =
  24. 24.9/11 − 2/9 =
  25. 25.7/12 + 1/2 =
  26. 26.3/5 − 2/5 =
  27. 27.2/3 − 2/5 =
  28. 28.2/11 + 6/7 =
  29. 29.1/4 + 4/10 =
  30. 30.6/8 + 6/12 =
  31. 31.7/8 − 1/3 =
  32. 32.4/10 + 6/8 =
  33. 33.3/12 + 2/6 =
  34. 34.8/11 + 10/12 =
  35. 35.3/10 + 3/4 =
  36. 36.3/10 − 2/9 =
  37. 37.11/12 + 1/4 =
  38. 38.7/9 + 3/9 =
  39. 39.5/7 + 1/6 =
  40. 40.5/8 − 5/9 =

Answer key

  1. 5/4
  2. 19/14
  3. 2/3
  4. 1/14
  5. 10/33
  6. 11/20
  7. 3/56
  8. 27/20
  9. 3/56
  10. 41/28
  11. 13/35
  12. 1
  13. 67/45
  14. 1
  15. 13/35
  16. 23/22
  17. 21/40
  18. 5/4
  19. 74/55
  20. 4/15
  21. 25/36
  22. 7/10
  23. 29/66
  24. 59/99
  25. 13/12
  26. 1/5
  27. 4/15
  28. 80/77
  29. 13/20
  30. 5/4
  31. 13/24
  32. 23/20
  33. 7/12
  34. 103/66
  35. 21/20
  36. 7/90
  37. 7/6
  38. 10/9
  39. 37/42
  40. 5/72

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