← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 252 · 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 21 and 14 =
  2. 2.HCF of 55 and 45 =
  3. 3.HCF of 231 and 189 =
  4. 4.HCF of 105 and 14 =
  5. 5.HCF of 238 and 266 =
  6. 6.HCF of 176 and 187 =
  7. 7.HCF of 91 and 21 =
  8. 8.HCF of 108 and 171 =
  9. 9.HCF of 24 and 18 =
  10. 10.HCF of 460 and 253 =
  11. 11.HCF of 55 and 15 =
  12. 12.HCF of 380 and 400 =
  13. 13.HCF of 48 and 136 =
  14. 14.HCF of 408 and 432 =
  15. 15.HCF of 84 and 204 =
  16. 16.HCF of 90 and 105 =
  17. 17.HCF of 12 and 20 =
  18. 18.HCF of 143 and 234 =
  19. 19.HCF of 150 and 140 =
  20. 20.HCF of 40 and 44 =
  21. 21.HCF of 70 and 56 =
  22. 22.HCF of 102 and 84 =
  23. 23.HCF of 234 and 216 =
  24. 24.HCF of 77 and 35 =
  25. 25.HCF of 221 and 68 =
  26. 26.HCF of 52 and 72 =
  27. 27.HCF of 165 and 150 =
  28. 28.HCF of 44 and 12 =
  29. 29.HCF of 144 and 63 =
  30. 30.HCF of 18 and 30 =
  31. 31.HCF of 85 and 34 =
  32. 32.HCF of 180 and 24 =
  33. 33.HCF of 95 and 114 =
  34. 34.HCF of 96 and 72 =
  35. 35.HCF of 143 and 55 =
  36. 36.HCF of 30 and 170 =
  37. 37.HCF of 132 and 286 =
  38. 38.HCF of 40 and 96 =
  39. 39.HCF of 168 and 70 =
  40. 40.HCF of 420 and 273 =

Answer key

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

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