← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 629 · 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 64 and 24 =
  2. 2.HCF of 12 and 102 =
  3. 3.HCF of 238 and 221 =
  4. 4.HCF of 220 and 40 =
  5. 5.HCF of 102 and 18 =
  6. 6.HCF of 132 and 84 =
  7. 7.HCF of 75 and 30 =
  8. 8.HCF of 27 and 51 =
  9. 9.HCF of 65 and 35 =
  10. 10.HCF of 91 and 169 =
  11. 11.HCF of 60 and 130 =
  12. 12.HCF of 76 and 20 =
  13. 13.HCF of 304 and 288 =
  14. 14.HCF of 27 and 60 =
  15. 15.HCF of 26 and 40 =
  16. 16.HCF of 80 and 176 =
  17. 17.HCF of 48 and 15 =
  18. 18.HCF of 360 and 380 =
  19. 19.HCF of 171 and 180 =
  20. 20.HCF of 95 and 30 =
  21. 21.HCF of 184 and 115 =
  22. 22.HCF of 68 and 36 =
  23. 23.HCF of 378 and 105 =
  24. 24.HCF of 140 and 119 =
  25. 25.HCF of 99 and 22 =
  26. 26.HCF of 105 and 195 =
  27. 27.HCF of 360 and 198 =
  28. 28.HCF of 133 and 77 =
  29. 29.HCF of 95 and 361 =
  30. 30.HCF of 294 and 231 =
  31. 31.HCF of 100 and 380 =
  32. 32.HCF of 8 and 28 =
  33. 33.HCF of 306 and 216 =
  34. 34.HCF of 240 and 108 =
  35. 35.HCF of 133 and 171 =
  36. 36.HCF of 160 and 30 =
  37. 37.HCF of 300 and 260 =
  38. 38.HCF of 88 and 33 =
  39. 39.HCF of 408 and 120 =
  40. 40.HCF of 45 and 165 =

Answer key

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

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