← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 435 · 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 22 and 77 =
  2. 2.HCF of 120 and 136 =
  3. 3.HCF of 420 and 357 =
  4. 4.HCF of 24 and 40 =
  5. 5.HCF of 190 and 361 =
  6. 6.HCF of 20 and 25 =
  7. 7.HCF of 72 and 171 =
  8. 8.HCF of 65 and 55 =
  9. 9.HCF of 24 and 90 =
  10. 10.HCF of 198 and 180 =
  11. 11.HCF of 117 and 162 =
  12. 12.HCF of 80 and 72 =
  13. 13.HCF of 152 and 128 =
  14. 14.HCF of 210 and 28 =
  15. 15.HCF of 187 and 154 =
  16. 16.HCF of 64 and 52 =
  17. 17.HCF of 9 and 6 =
  18. 18.HCF of 408 and 216 =
  19. 19.HCF of 78 and 143 =
  20. 20.HCF of 154 and 99 =
  21. 21.HCF of 200 and 170 =
  22. 22.HCF of 30 and 32 =
  23. 23.HCF of 110 and 150 =
  24. 24.HCF of 18 and 114 =
  25. 25.HCF of 35 and 56 =
  26. 26.HCF of 25 and 15 =
  27. 27.HCF of 16 and 12 =
  28. 28.HCF of 48 and 36 =
  29. 29.HCF of 133 and 14 =
  30. 30.HCF of 38 and 133 =
  31. 31.HCF of 399 and 105 =
  32. 32.HCF of 38 and 26 =
  33. 33.HCF of 104 and 80 =
  34. 34.HCF of 100 and 85 =
  35. 35.HCF of 40 and 180 =
  36. 36.HCF of 33 and 12 =
  37. 37.HCF of 34 and 10 =
  38. 38.HCF of 102 and 24 =
  39. 39.HCF of 380 and 80 =
  40. 40.HCF of 143 and 187 =

Answer key

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

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