← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 695 · 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 50 and 55 =
  2. 2.HCF of 20 and 150 =
  3. 3.HCF of 231 and 336 =
  4. 4.HCF of 40 and 180 =
  5. 5.HCF of 95 and 45 =
  6. 6.HCF of 50 and 275 =
  7. 7.HCF of 27 and 12 =
  8. 8.HCF of 70 and 40 =
  9. 9.HCF of 80 and 100 =
  10. 10.HCF of 120 and 408 =
  11. 11.HCF of 230 and 207 =
  12. 12.HCF of 147 and 399 =
  13. 13.HCF of 117 and 36 =
  14. 14.HCF of 345 and 92 =
  15. 15.HCF of 25 and 10 =
  16. 16.HCF of 26 and 18 =
  17. 17.HCF of 57 and 12 =
  18. 18.HCF of 266 and 238 =
  19. 19.HCF of 323 and 266 =
  20. 20.HCF of 45 and 25 =
  21. 21.HCF of 78 and 169 =
  22. 22.HCF of 100 and 80 =
  23. 23.HCF of 25 and 60 =
  24. 24.HCF of 130 and 120 =
  25. 25.HCF of 117 and 260 =
  26. 26.HCF of 104 and 40 =
  27. 27.HCF of 112 and 288 =
  28. 28.HCF of 168 and 192 =
  29. 29.HCF of 76 and 64 =
  30. 30.HCF of 342 and 162 =
  31. 31.HCF of 108 and 198 =
  32. 32.HCF of 21 and 98 =
  33. 33.HCF of 15 and 80 =
  34. 34.HCF of 120 and 228 =
  35. 35.HCF of 84 and 78 =
  36. 36.HCF of 204 and 156 =
  37. 37.HCF of 39 and 30 =
  38. 38.HCF of 150 and 165 =
  39. 39.HCF of 180 and 84 =
  40. 40.HCF of 208 and 195 =

Answer key

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

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