← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 789 · 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 78 and 12 =
  2. 2.HCF of 160 and 90 =
  3. 3.HCF of 330 and 308 =
  4. 4.HCF of 108 and 90 =
  5. 5.HCF of 42 and 78 =
  6. 6.HCF of 128 and 24 =
  7. 7.HCF of 260 and 200 =
  8. 8.HCF of 90 and 198 =
  9. 9.HCF of 240 and 165 =
  10. 10.HCF of 161 and 138 =
  11. 11.HCF of 304 and 80 =
  12. 12.HCF of 48 and 228 =
  13. 13.HCF of 35 and 50 =
  14. 14.HCF of 26 and 36 =
  15. 15.HCF of 57 and 95 =
  16. 16.HCF of 24 and 40 =
  17. 17.HCF of 153 and 54 =
  18. 18.HCF of 99 and 121 =
  19. 19.HCF of 77 and 140 =
  20. 20.HCF of 57 and 42 =
  21. 21.HCF of 15 and 21 =
  22. 22.HCF of 144 and 176 =
  23. 23.HCF of 68 and 85 =
  24. 24.HCF of 90 and 198 =
  25. 25.HCF of 84 and 204 =
  26. 26.HCF of 12 and 16 =
  27. 27.HCF of 72 and 168 =
  28. 28.HCF of 18 and 20 =
  29. 29.HCF of 132 and 36 =
  30. 30.HCF of 208 and 112 =
  31. 31.HCF of 112 and 133 =
  32. 32.HCF of 10 and 28 =
  33. 33.HCF of 80 and 136 =
  34. 34.HCF of 91 and 52 =
  35. 35.HCF of 90 and 12 =
  36. 36.HCF of 24 and 42 =
  37. 37.HCF of 272 and 176 =
  38. 38.HCF of 117 and 36 =
  39. 39.HCF of 180 and 110 =
  40. 40.HCF of 45 and 60 =

Answer key

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

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