← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 842 · 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 153 and 81 =
  2. 2.HCF of 168 and 399 =
  3. 3.HCF of 32 and 80 =
  4. 4.HCF of 63 and 54 =
  5. 5.HCF of 154 and 33 =
  6. 6.HCF of 154 and 242 =
  7. 7.HCF of 20 and 95 =
  8. 8.HCF of 64 and 304 =
  9. 9.HCF of 56 and 52 =
  10. 10.HCF of 110 and 264 =
  11. 11.HCF of 418 and 44 =
  12. 12.HCF of 85 and 50 =
  13. 13.HCF of 121 and 88 =
  14. 14.HCF of 130 and 143 =
  15. 15.HCF of 273 and 168 =
  16. 16.HCF of 133 and 70 =
  17. 17.HCF of 81 and 18 =
  18. 18.HCF of 180 and 192 =
  19. 19.HCF of 18 and 84 =
  20. 20.HCF of 325 and 425 =
  21. 21.HCF of 36 and 39 =
  22. 22.HCF of 32 and 104 =
  23. 23.HCF of 46 and 437 =
  24. 24.HCF of 70 and 182 =
  25. 25.HCF of 80 and 88 =
  26. 26.HCF of 399 and 231 =
  27. 27.HCF of 56 and 133 =
  28. 28.HCF of 36 and 66 =
  29. 29.HCF of 52 and 64 =
  30. 30.HCF of 110 and 88 =
  31. 31.HCF of 77 and 91 =
  32. 32.HCF of 209 and 304 =
  33. 33.HCF of 240 and 36 =
  34. 34.HCF of 350 and 125 =
  35. 35.HCF of 22 and 16 =
  36. 36.HCF of 266 and 126 =
  37. 37.HCF of 156 and 221 =
  38. 38.HCF of 120 and 204 =
  39. 39.HCF of 16 and 34 =
  40. 40.HCF of 300 and 425 =

Answer key

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

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