← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 366 · 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 399 and 315 =
  2. 2.HCF of 162 and 342 =
  3. 3.HCF of 51 and 57 =
  4. 4.HCF of 108 and 78 =
  5. 5.HCF of 147 and 126 =
  6. 6.HCF of 75 and 20 =
  7. 7.HCF of 14 and 4 =
  8. 8.HCF of 126 and 234 =
  9. 9.HCF of 160 and 72 =
  10. 10.HCF of 209 and 190 =
  11. 11.HCF of 80 and 72 =
  12. 12.HCF of 45 and 40 =
  13. 13.HCF of 110 and 121 =
  14. 14.HCF of 77 and 209 =
  15. 15.HCF of 55 and 40 =
  16. 16.HCF of 252 and 98 =
  17. 17.HCF of 64 and 48 =
  18. 18.HCF of 154 and 224 =
  19. 19.HCF of 133 and 323 =
  20. 20.HCF of 126 and 153 =
  21. 21.HCF of 126 and 72 =
  22. 22.HCF of 437 and 115 =
  23. 23.HCF of 90 and 234 =
  24. 24.HCF of 35 and 98 =
  25. 25.HCF of 144 and 160 =
  26. 26.HCF of 216 and 480 =
  27. 27.HCF of 425 and 100 =
  28. 28.HCF of 325 and 175 =
  29. 29.HCF of 33 and 9 =
  30. 30.HCF of 72 and 42 =
  31. 31.HCF of 154 and 374 =
  32. 32.HCF of 12 and 102 =
  33. 33.HCF of 42 and 15 =
  34. 34.HCF of 169 and 221 =
  35. 35.HCF of 49 and 70 =
  36. 36.HCF of 34 and 119 =
  37. 37.HCF of 294 and 273 =
  38. 38.HCF of 40 and 15 =
  39. 39.HCF of 108 and 24 =
  40. 40.HCF of 33 and 48 =

Answer key

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

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