← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 742 · 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 120 and 204 =
  2. 2.HCF of 171 and 361 =
  3. 3.HCF of 30 and 9 =
  4. 4.HCF of 120 and 192 =
  5. 5.HCF of 50 and 45 =
  6. 6.HCF of 90 and 306 =
  7. 7.HCF of 26 and 221 =
  8. 8.HCF of 45 and 40 =
  9. 9.HCF of 182 and 143 =
  10. 10.HCF of 63 and 35 =
  11. 11.HCF of 180 and 40 =
  12. 12.HCF of 38 and 4 =
  13. 13.HCF of 242 and 176 =
  14. 14.HCF of 169 and 208 =
  15. 15.HCF of 57 and 24 =
  16. 16.HCF of 196 and 154 =
  17. 17.HCF of 154 and 182 =
  18. 18.HCF of 52 and 247 =
  19. 19.HCF of 391 and 437 =
  20. 20.HCF of 102 and 108 =
  21. 21.HCF of 69 and 253 =
  22. 22.HCF of 66 and 374 =
  23. 23.HCF of 425 and 150 =
  24. 24.HCF of 247 and 65 =
  25. 25.HCF of 91 and 49 =
  26. 26.HCF of 196 and 70 =
  27. 27.HCF of 92 and 161 =
  28. 28.HCF of 33 and 30 =
  29. 29.HCF of 133 and 190 =
  30. 30.HCF of 306 and 252 =
  31. 31.HCF of 133 and 63 =
  32. 32.HCF of 21 and 49 =
  33. 33.HCF of 12 and 102 =
  34. 34.HCF of 272 and 32 =
  35. 35.HCF of 144 and 408 =
  36. 36.HCF of 144 and 198 =
  37. 37.HCF of 275 and 50 =
  38. 38.HCF of 276 and 253 =
  39. 39.HCF of 98 and 28 =
  40. 40.HCF of 112 and 98 =

Answer key

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

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