← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 389 · 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 231 and 378 =
  2. 2.HCF of 117 and 81 =
  3. 3.HCF of 126 and 288 =
  4. 4.HCF of 140 and 240 =
  5. 5.HCF of 15 and 95 =
  6. 6.HCF of 418 and 220 =
  7. 7.HCF of 92 and 207 =
  8. 8.HCF of 255 and 272 =
  9. 9.HCF of 75 and 10 =
  10. 10.HCF of 150 and 275 =
  11. 11.HCF of 32 and 68 =
  12. 12.HCF of 272 and 32 =
  13. 13.HCF of 270 and 195 =
  14. 14.HCF of 48 and 44 =
  15. 15.HCF of 40 and 34 =
  16. 16.HCF of 110 and 418 =
  17. 17.HCF of 264 and 312 =
  18. 18.HCF of 24 and 9 =
  19. 19.HCF of 30 and 108 =
  20. 20.HCF of 133 and 171 =
  21. 21.HCF of 40 and 128 =
  22. 22.HCF of 184 and 115 =
  23. 23.HCF of 216 and 132 =
  24. 24.HCF of 264 and 154 =
  25. 25.HCF of 221 and 306 =
  26. 26.HCF of 140 and 220 =
  27. 27.HCF of 342 and 162 =
  28. 28.HCF of 119 and 153 =
  29. 29.HCF of 456 and 120 =
  30. 30.HCF of 425 and 250 =
  31. 31.HCF of 51 and 68 =
  32. 32.HCF of 475 and 400 =
  33. 33.HCF of 28 and 16 =
  34. 34.HCF of 187 and 198 =
  35. 35.HCF of 102 and 24 =
  36. 36.HCF of 143 and 26 =
  37. 37.HCF of 88 and 209 =
  38. 38.HCF of 25 and 10 =
  39. 39.HCF of 64 and 136 =
  40. 40.HCF of 20 and 170 =

Answer key

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

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