← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 968 · 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 187 and 66 =
  2. 2.HCF of 255 and 221 =
  3. 3.HCF of 195 and 30 =
  4. 4.HCF of 60 and 132 =
  5. 5.HCF of 22 and 18 =
  6. 6.HCF of 399 and 42 =
  7. 7.HCF of 48 and 84 =
  8. 8.HCF of 180 and 228 =
  9. 9.HCF of 152 and 136 =
  10. 10.HCF of 165 and 225 =
  11. 11.HCF of 42 and 12 =
  12. 12.HCF of 54 and 51 =
  13. 13.HCF of 72 and 104 =
  14. 14.HCF of 140 and 90 =
  15. 15.HCF of 60 and 35 =
  16. 16.HCF of 154 and 70 =
  17. 17.HCF of 8 and 68 =
  18. 18.HCF of 24 and 15 =
  19. 19.HCF of 126 and 198 =
  20. 20.HCF of 20 and 14 =
  21. 21.HCF of 36 and 14 =
  22. 22.HCF of 273 and 252 =
  23. 23.HCF of 50 and 30 =
  24. 24.HCF of 65 and 95 =
  25. 25.HCF of 30 and 84 =
  26. 26.HCF of 288 and 264 =
  27. 27.HCF of 28 and 80 =
  28. 28.HCF of 273 and 294 =
  29. 29.HCF of 231 and 294 =
  30. 30.HCF of 49 and 21 =
  31. 31.HCF of 32 and 56 =
  32. 32.HCF of 36 and 78 =
  33. 33.HCF of 77 and 119 =
  34. 34.HCF of 357 and 168 =
  35. 35.HCF of 30 and 255 =
  36. 36.HCF of 169 and 52 =
  37. 37.HCF of 154 and 126 =
  38. 38.HCF of 80 and 30 =
  39. 39.HCF of 156 and 180 =
  40. 40.HCF of 210 and 63 =

Answer key

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

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