← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 901 · 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 99 and 154 =
  2. 2.HCF of 77 and 55 =
  3. 3.HCF of 171 and 108 =
  4. 4.HCF of 204 and 108 =
  5. 5.HCF of 165 and 135 =
  6. 6.HCF of 104 and 247 =
  7. 7.HCF of 20 and 32 =
  8. 8.HCF of 18 and 42 =
  9. 9.HCF of 143 and 65 =
  10. 10.HCF of 176 and 121 =
  11. 11.HCF of 8 and 6 =
  12. 12.HCF of 180 and 260 =
  13. 13.HCF of 40 and 128 =
  14. 14.HCF of 32 and 144 =
  15. 15.HCF of 304 and 112 =
  16. 16.HCF of 12 and 14 =
  17. 17.HCF of 18 and 4 =
  18. 18.HCF of 63 and 336 =
  19. 19.HCF of 396 and 110 =
  20. 20.HCF of 180 and 280 =
  21. 21.HCF of 171 and 27 =
  22. 22.HCF of 90 and 162 =
  23. 23.HCF of 130 and 30 =
  24. 24.HCF of 35 and 20 =
  25. 25.HCF of 336 and 357 =
  26. 26.HCF of 40 and 64 =
  27. 27.HCF of 32 and 80 =
  28. 28.HCF of 114 and 60 =
  29. 29.HCF of 105 and 252 =
  30. 30.HCF of 209 and 132 =
  31. 31.HCF of 204 and 48 =
  32. 32.HCF of 187 and 77 =
  33. 33.HCF of 209 and 198 =
  34. 34.HCF of 256 and 304 =
  35. 35.HCF of 120 and 110 =
  36. 36.HCF of 270 and 144 =
  37. 37.HCF of 308 and 330 =
  38. 38.HCF of 25 and 90 =
  39. 39.HCF of 98 and 252 =
  40. 40.HCF of 143 and 154 =

Answer key

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

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