← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 502 · 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 40 and 76 =
  2. 2.HCF of 104 and 72 =
  3. 3.HCF of 126 and 399 =
  4. 4.HCF of 78 and 65 =
  5. 5.HCF of 27 and 51 =
  6. 6.HCF of 81 and 171 =
  7. 7.HCF of 140 and 21 =
  8. 8.HCF of 75 and 80 =
  9. 9.HCF of 63 and 90 =
  10. 10.HCF of 169 and 182 =
  11. 11.HCF of 20 and 44 =
  12. 12.HCF of 48 and 104 =
  13. 13.HCF of 57 and 76 =
  14. 14.HCF of 48 and 51 =
  15. 15.HCF of 28 and 18 =
  16. 16.HCF of 54 and 36 =
  17. 17.HCF of 78 and 90 =
  18. 18.HCF of 162 and 63 =
  19. 19.HCF of 60 and 32 =
  20. 20.HCF of 12 and 42 =
  21. 21.HCF of 110 and 77 =
  22. 22.HCF of 33 and 55 =
  23. 23.HCF of 45 and 63 =
  24. 24.HCF of 255 and 34 =
  25. 25.HCF of 204 and 85 =
  26. 26.HCF of 84 and 18 =
  27. 27.HCF of 28 and 36 =
  28. 28.HCF of 16 and 26 =
  29. 29.HCF of 128 and 112 =
  30. 30.HCF of 21 and 98 =
  31. 31.HCF of 162 and 45 =
  32. 32.HCF of 65 and 247 =
  33. 33.HCF of 28 and 12 =
  34. 34.HCF of 40 and 55 =
  35. 35.HCF of 4 and 22 =
  36. 36.HCF of 154 and 210 =
  37. 37.HCF of 88 and 154 =
  38. 38.HCF of 45 and 85 =
  39. 39.HCF of 66 and 418 =
  40. 40.HCF of 456 and 240 =

Answer key

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

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