← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 537 · 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 171 and 27 =
  2. 2.HCF of 32 and 36 =
  3. 3.HCF of 266 and 171 =
  4. 4.HCF of 72 and 68 =
  5. 5.HCF of 55 and 44 =
  6. 6.HCF of 20 and 24 =
  7. 7.HCF of 50 and 35 =
  8. 8.HCF of 66 and 108 =
  9. 9.HCF of 90 and 70 =
  10. 10.HCF of 72 and 66 =
  11. 11.HCF of 21 and 39 =
  12. 12.HCF of 12 and 30 =
  13. 13.HCF of 210 and 357 =
  14. 14.HCF of 221 and 156 =
  15. 15.HCF of 168 and 432 =
  16. 16.HCF of 192 and 272 =
  17. 17.HCF of 108 and 168 =
  18. 18.HCF of 12 and 18 =
  19. 19.HCF of 60 and 39 =
  20. 20.HCF of 352 and 198 =
  21. 21.HCF of 38 and 57 =
  22. 22.HCF of 28 and 21 =
  23. 23.HCF of 18 and 27 =
  24. 24.HCF of 38 and 36 =
  25. 25.HCF of 154 and 132 =
  26. 26.HCF of 330 and 242 =
  27. 27.HCF of 50 and 180 =
  28. 28.HCF of 72 and 128 =
  29. 29.HCF of 264 and 216 =
  30. 30.HCF of 100 and 280 =
  31. 31.HCF of 154 and 143 =
  32. 32.HCF of 33 and 55 =
  33. 33.HCF of 126 and 117 =
  34. 34.HCF of 55 and 80 =
  35. 35.HCF of 40 and 24 =
  36. 36.HCF of 289 and 85 =
  37. 37.HCF of 234 and 90 =
  38. 38.HCF of 288 and 120 =
  39. 39.HCF of 64 and 68 =
  40. 40.HCF of 44 and 154 =

Answer key

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

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