← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 247 · 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 156 and 168 =
  2. 2.HCF of 36 and 54 =
  3. 3.HCF of 180 and 80 =
  4. 4.HCF of 12 and 68 =
  5. 5.HCF of 180 and 190 =
  6. 6.HCF of 36 and 34 =
  7. 7.HCF of 77 and 140 =
  8. 8.HCF of 175 and 300 =
  9. 9.HCF of 100 and 175 =
  10. 10.HCF of 40 and 136 =
  11. 11.HCF of 60 and 216 =
  12. 12.HCF of 304 and 208 =
  13. 13.HCF of 130 and 110 =
  14. 14.HCF of 190 and 40 =
  15. 15.HCF of 24 and 22 =
  16. 16.HCF of 45 and 12 =
  17. 17.HCF of 33 and 30 =
  18. 18.HCF of 252 and 234 =
  19. 19.HCF of 99 and 63 =
  20. 20.HCF of 51 and 272 =
  21. 21.HCF of 153 and 27 =
  22. 22.HCF of 110 and 88 =
  23. 23.HCF of 49 and 77 =
  24. 24.HCF of 345 and 391 =
  25. 25.HCF of 323 and 38 =
  26. 26.HCF of 78 and 18 =
  27. 27.HCF of 96 and 84 =
  28. 28.HCF of 198 and 54 =
  29. 29.HCF of 225 and 275 =
  30. 30.HCF of 187 and 198 =
  31. 31.HCF of 57 and 38 =
  32. 32.HCF of 95 and 171 =
  33. 33.HCF of 184 and 253 =
  34. 34.HCF of 80 and 144 =
  35. 35.HCF of 221 and 187 =
  36. 36.HCF of 384 and 72 =
  37. 37.HCF of 68 and 323 =
  38. 38.HCF of 12 and 18 =
  39. 39.HCF of 104 and 80 =
  40. 40.HCF of 99 and 126 =

Answer key

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

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