← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 244 · 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 133 and 126 =
  2. 2.HCF of 171 and 18 =
  3. 3.HCF of 28 and 6 =
  4. 4.HCF of 272 and 144 =
  5. 5.HCF of 102 and 12 =
  6. 6.HCF of 55 and 209 =
  7. 7.HCF of 32 and 72 =
  8. 8.HCF of 40 and 30 =
  9. 9.HCF of 66 and 143 =
  10. 10.HCF of 336 and 357 =
  11. 11.HCF of 64 and 240 =
  12. 12.HCF of 210 and 28 =
  13. 13.HCF of 378 and 231 =
  14. 14.HCF of 66 and 44 =
  15. 15.HCF of 57 and 9 =
  16. 16.HCF of 250 and 175 =
  17. 17.HCF of 125 and 100 =
  18. 18.HCF of 147 and 357 =
  19. 19.HCF of 10 and 18 =
  20. 20.HCF of 272 and 289 =
  21. 21.HCF of 357 and 231 =
  22. 22.HCF of 144 and 54 =
  23. 23.HCF of 76 and 52 =
  24. 24.HCF of 60 and 220 =
  25. 25.HCF of 98 and 112 =
  26. 26.HCF of 126 and 27 =
  27. 27.HCF of 90 and 190 =
  28. 28.HCF of 84 and 24 =
  29. 29.HCF of 49 and 91 =
  30. 30.HCF of 180 and 80 =
  31. 31.HCF of 4 and 34 =
  32. 32.HCF of 247 and 228 =
  33. 33.HCF of 195 and 247 =
  34. 34.HCF of 104 and 39 =
  35. 35.HCF of 60 and 80 =
  36. 36.HCF of 6 and 51 =
  37. 37.HCF of 182 and 65 =
  38. 38.HCF of 28 and 49 =
  39. 39.HCF of 220 and 40 =
  40. 40.HCF of 121 and 55 =

Answer key

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

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