← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 731 · 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 108 and 120 =
  2. 2.HCF of 10 and 45 =
  3. 3.HCF of 28 and 70 =
  4. 4.HCF of 15 and 65 =
  5. 5.HCF of 264 and 418 =
  6. 6.HCF of 105 and 150 =
  7. 7.HCF of 368 and 299 =
  8. 8.HCF of 42 and 18 =
  9. 9.HCF of 323 and 228 =
  10. 10.HCF of 16 and 88 =
  11. 11.HCF of 60 and 54 =
  12. 12.HCF of 171 and 133 =
  13. 13.HCF of 48 and 78 =
  14. 14.HCF of 48 and 136 =
  15. 15.HCF of 105 and 133 =
  16. 16.HCF of 133 and 49 =
  17. 17.HCF of 168 and 432 =
  18. 18.HCF of 456 and 72 =
  19. 19.HCF of 368 and 115 =
  20. 20.HCF of 42 and 102 =
  21. 21.HCF of 198 and 324 =
  22. 22.HCF of 24 and 10 =
  23. 23.HCF of 138 and 391 =
  24. 24.HCF of 126 and 81 =
  25. 25.HCF of 117 and 171 =
  26. 26.HCF of 80 and 136 =
  27. 27.HCF of 30 and 78 =
  28. 28.HCF of 168 and 189 =
  29. 29.HCF of 169 and 26 =
  30. 30.HCF of 60 and 65 =
  31. 31.HCF of 64 and 28 =
  32. 32.HCF of 300 and 45 =
  33. 33.HCF of 136 and 144 =
  34. 34.HCF of 384 and 168 =
  35. 35.HCF of 64 and 176 =
  36. 36.HCF of 132 and 143 =
  37. 37.HCF of 49 and 133 =
  38. 38.HCF of 320 and 208 =
  39. 39.HCF of 187 and 119 =
  40. 40.HCF of 28 and 18 =

Answer key

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

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