← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 163 · 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 60 and 9 =
  2. 2.HCF of 68 and 24 =
  3. 3.HCF of 65 and 60 =
  4. 4.HCF of 120 and 70 =
  5. 5.HCF of 33 and 121 =
  6. 6.HCF of 21 and 14 =
  7. 7.HCF of 140 and 182 =
  8. 8.HCF of 72 and 152 =
  9. 9.HCF of 70 and 42 =
  10. 10.HCF of 108 and 240 =
  11. 11.HCF of 192 and 304 =
  12. 12.HCF of 380 and 240 =
  13. 13.HCF of 63 and 77 =
  14. 14.HCF of 342 and 133 =
  15. 15.HCF of 32 and 240 =
  16. 16.HCF of 252 and 105 =
  17. 17.HCF of 260 and 143 =
  18. 18.HCF of 187 and 255 =
  19. 19.HCF of 208 and 320 =
  20. 20.HCF of 85 and 51 =
  21. 21.HCF of 20 and 15 =
  22. 22.HCF of 72 and 28 =
  23. 23.HCF of 38 and 12 =
  24. 24.HCF of 52 and 221 =
  25. 25.HCF of 80 and 28 =
  26. 26.HCF of 425 and 475 =
  27. 27.HCF of 33 and 22 =
  28. 28.HCF of 84 and 24 =
  29. 29.HCF of 91 and 63 =
  30. 30.HCF of 110 and 40 =
  31. 31.HCF of 242 and 88 =
  32. 32.HCF of 152 and 16 =
  33. 33.HCF of 78 and 91 =
  34. 34.HCF of 40 and 75 =
  35. 35.HCF of 238 and 98 =
  36. 36.HCF of 27 and 45 =
  37. 37.HCF of 66 and 114 =
  38. 38.HCF of 30 and 84 =
  39. 39.HCF of 153 and 136 =
  40. 40.HCF of 54 and 114 =

Answer key

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

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