← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 796 · 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 21 and 30 =
  2. 2.HCF of 198 and 180 =
  3. 3.HCF of 221 and 78 =
  4. 4.HCF of 65 and 221 =
  5. 5.HCF of 48 and 32 =
  6. 6.HCF of 26 and 36 =
  7. 7.HCF of 40 and 104 =
  8. 8.HCF of 70 and 119 =
  9. 9.HCF of 8 and 30 =
  10. 10.HCF of 119 and 323 =
  11. 11.HCF of 35 and 95 =
  12. 12.HCF of 126 and 198 =
  13. 13.HCF of 242 and 198 =
  14. 14.HCF of 325 and 200 =
  15. 15.HCF of 220 and 340 =
  16. 16.HCF of 120 and 75 =
  17. 17.HCF of 256 and 240 =
  18. 18.HCF of 54 and 114 =
  19. 19.HCF of 190 and 140 =
  20. 20.HCF of 78 and 24 =
  21. 21.HCF of 44 and 12 =
  22. 22.HCF of 48 and 176 =
  23. 23.HCF of 323 and 114 =
  24. 24.HCF of 143 and 169 =
  25. 25.HCF of 28 and 42 =
  26. 26.HCF of 84 and 357 =
  27. 27.HCF of 69 and 391 =
  28. 28.HCF of 221 and 260 =
  29. 29.HCF of 125 and 225 =
  30. 30.HCF of 91 and 104 =
  31. 31.HCF of 170 and 160 =
  32. 32.HCF of 208 and 143 =
  33. 33.HCF of 425 and 125 =
  34. 34.HCF of 119 and 221 =
  35. 35.HCF of 34 and 28 =
  36. 36.HCF of 306 and 323 =
  37. 37.HCF of 162 and 99 =
  38. 38.HCF of 108 and 120 =
  39. 39.HCF of 190 and 30 =
  40. 40.HCF of 104 and 72 =

Answer key

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

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