← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 903 · 40 sums
TalentJR

The trick (Sankalana-Vyavakalanabhyam): Take the smaller number away from the bigger one, as many times as it goes. Now use the smaller number and what is left. Repeat until nothing is left: the last number before 0 is the HCF.

NameDateTime takenScore ___ / 40
  1. 1.HCF of 144 and 45 =
  2. 2.HCF of 66 and 18 =
  3. 3.HCF of 242 and 176 =
  4. 4.HCF of 228 and 48 =
  5. 5.HCF of 39 and 60 =
  6. 6.HCF of 192 and 156 =
  7. 7.HCF of 130 and 90 =
  8. 8.HCF of 130 and 40 =
  9. 9.HCF of 45 and 285 =
  10. 10.HCF of 100 and 340 =
  11. 11.HCF of 420 and 273 =
  12. 12.HCF of 304 and 48 =
  13. 13.HCF of 275 and 450 =
  14. 14.HCF of 36 and 15 =
  15. 15.HCF of 132 and 143 =
  16. 16.HCF of 105 and 336 =
  17. 17.HCF of 160 and 340 =
  18. 18.HCF of 350 and 275 =
  19. 19.HCF of 40 and 15 =
  20. 20.HCF of 360 and 48 =
  21. 21.HCF of 85 and 50 =
  22. 22.HCF of 418 and 352 =
  23. 23.HCF of 400 and 60 =
  24. 24.HCF of 48 and 36 =
  25. 25.HCF of 285 and 304 =
  26. 26.HCF of 36 and 96 =
  27. 27.HCF of 35 and 49 =
  28. 28.HCF of 117 and 72 =
  29. 29.HCF of 99 and 144 =
  30. 30.HCF of 196 and 182 =
  31. 31.HCF of 12 and 33 =
  32. 32.HCF of 66 and 24 =
  33. 33.HCF of 162 and 45 =
  34. 34.HCF of 45 and 20 =
  35. 35.HCF of 77 and 198 =
  36. 36.HCF of 171 and 108 =
  37. 37.HCF of 99 and 171 =
  38. 38.HCF of 192 and 168 =
  39. 39.HCF of 238 and 289 =
  40. 40.HCF of 18 and 96 =

Answer key

  1. 9
  2. 6
  3. 22
  4. 12
  5. 3
  6. 12
  7. 10
  8. 10
  9. 15
  10. 20
  11. 21
  12. 16
  13. 25
  14. 3
  15. 11
  16. 21
  17. 20
  18. 25
  19. 5
  20. 24
  21. 5
  22. 22
  23. 20
  24. 12
  25. 19
  26. 12
  27. 7
  28. 9
  29. 9
  30. 14
  31. 3
  32. 6
  33. 9
  34. 5
  35. 11
  36. 9
  37. 9
  38. 24
  39. 17
  40. 6

Free vedic maths lessons, practice and worksheets at talentjr.in/vedic-maths