← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 455 · 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 192 and 204 =
  2. 2.HCF of 51 and 24 =
  3. 3.HCF of 99 and 180 =
  4. 4.HCF of 84 and 133 =
  5. 5.HCF of 132 and 228 =
  6. 6.HCF of 171 and 38 =
  7. 7.HCF of 63 and 119 =
  8. 8.HCF of 30 and 24 =
  9. 9.HCF of 65 and 182 =
  10. 10.HCF of 117 and 162 =
  11. 11.HCF of 48 and 320 =
  12. 12.HCF of 330 and 242 =
  13. 13.HCF of 247 and 95 =
  14. 14.HCF of 285 and 180 =
  15. 15.HCF of 12 and 10 =
  16. 16.HCF of 300 and 475 =
  17. 17.HCF of 391 and 138 =
  18. 18.HCF of 126 and 70 =
  19. 19.HCF of 300 and 380 =
  20. 20.HCF of 144 and 104 =
  21. 21.HCF of 288 and 264 =
  22. 22.HCF of 40 and 340 =
  23. 23.HCF of 288 and 234 =
  24. 24.HCF of 161 and 207 =
  25. 25.HCF of 60 and 228 =
  26. 26.HCF of 28 and 98 =
  27. 27.HCF of 64 and 24 =
  28. 28.HCF of 84 and 60 =
  29. 29.HCF of 68 and 16 =
  30. 30.HCF of 77 and 91 =
  31. 31.HCF of 12 and 56 =
  32. 32.HCF of 36 and 38 =
  33. 33.HCF of 198 and 286 =
  34. 34.HCF of 45 and 171 =
  35. 35.HCF of 140 and 30 =
  36. 36.HCF of 126 and 162 =
  37. 37.HCF of 175 and 300 =
  38. 38.HCF of 34 and 38 =
  39. 39.HCF of 30 and 96 =
  40. 40.HCF of 21 and 28 =

Answer key

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

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