← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 47 · 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 27 and 90 =
  2. 2.HCF of 75 and 45 =
  3. 3.HCF of 66 and 77 =
  4. 4.HCF of 260 and 40 =
  5. 5.HCF of 40 and 22 =
  6. 6.HCF of 15 and 24 =
  7. 7.HCF of 72 and 78 =
  8. 8.HCF of 175 and 100 =
  9. 9.HCF of 18 and 42 =
  10. 10.HCF of 352 and 374 =
  11. 11.HCF of 8 and 76 =
  12. 12.HCF of 14 and 32 =
  13. 13.HCF of 28 and 210 =
  14. 14.HCF of 156 and 24 =
  15. 15.HCF of 342 and 252 =
  16. 16.HCF of 60 and 18 =
  17. 17.HCF of 125 and 450 =
  18. 18.HCF of 228 and 209 =
  19. 19.HCF of 154 and 280 =
  20. 20.HCF of 360 and 48 =
  21. 21.HCF of 190 and 100 =
  22. 22.HCF of 10 and 38 =
  23. 23.HCF of 247 and 234 =
  24. 24.HCF of 255 and 270 =
  25. 25.HCF of 42 and 154 =
  26. 26.HCF of 120 and 88 =
  27. 27.HCF of 192 and 72 =
  28. 28.HCF of 136 and 96 =
  29. 29.HCF of 44 and 76 =
  30. 30.HCF of 35 and 95 =
  31. 31.HCF of 144 and 306 =
  32. 32.HCF of 40 and 85 =
  33. 33.HCF of 180 and 50 =
  34. 34.HCF of 288 and 234 =
  35. 35.HCF of 225 and 400 =
  36. 36.HCF of 21 and 30 =
  37. 37.HCF of 288 and 162 =
  38. 38.HCF of 100 and 70 =
  39. 39.HCF of 198 and 187 =
  40. 40.HCF of 312 and 240 =

Answer key

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

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