← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 651 · 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 72 and 32 =
  2. 2.HCF of 57 and 30 =
  3. 3.HCF of 60 and 114 =
  4. 4.HCF of 77 and 14 =
  5. 5.HCF of 80 and 72 =
  6. 6.HCF of 40 and 96 =
  7. 7.HCF of 14 and 32 =
  8. 8.HCF of 10 and 15 =
  9. 9.HCF of 95 and 342 =
  10. 10.HCF of 12 and 57 =
  11. 11.HCF of 18 and 32 =
  12. 12.HCF of 70 and 84 =
  13. 13.HCF of 340 and 300 =
  14. 14.HCF of 54 and 114 =
  15. 15.HCF of 165 and 143 =
  16. 16.HCF of 228 and 247 =
  17. 17.HCF of 18 and 57 =
  18. 18.HCF of 165 and 195 =
  19. 19.HCF of 20 and 12 =
  20. 20.HCF of 30 and 105 =
  21. 21.HCF of 221 and 182 =
  22. 22.HCF of 15 and 55 =
  23. 23.HCF of 30 and 21 =
  24. 24.HCF of 100 and 190 =
  25. 25.HCF of 36 and 270 =
  26. 26.HCF of 374 and 396 =
  27. 27.HCF of 22 and 16 =
  28. 28.HCF of 240 and 72 =
  29. 29.HCF of 104 and 64 =
  30. 30.HCF of 16 and 24 =
  31. 31.HCF of 32 and 40 =
  32. 32.HCF of 12 and 27 =
  33. 33.HCF of 320 and 300 =
  34. 34.HCF of 154 and 198 =
  35. 35.HCF of 49 and 35 =
  36. 36.HCF of 121 and 99 =
  37. 37.HCF of 144 and 198 =
  38. 38.HCF of 154 and 187 =
  39. 39.HCF of 209 and 266 =
  40. 40.HCF of 33 and 55 =

Answer key

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

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