← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 781 · 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 80 and 52 =
  2. 2.HCF of 240 and 255 =
  3. 3.HCF of 54 and 39 =
  4. 4.HCF of 69 and 368 =
  5. 5.HCF of 78 and 90 =
  6. 6.HCF of 210 and 195 =
  7. 7.HCF of 110 and 242 =
  8. 8.HCF of 161 and 414 =
  9. 9.HCF of 99 and 162 =
  10. 10.HCF of 45 and 54 =
  11. 11.HCF of 30 and 45 =
  12. 12.HCF of 340 and 380 =
  13. 13.HCF of 294 and 399 =
  14. 14.HCF of 221 and 104 =
  15. 15.HCF of 105 and 225 =
  16. 16.HCF of 418 and 308 =
  17. 17.HCF of 196 and 126 =
  18. 18.HCF of 285 and 210 =
  19. 19.HCF of 85 and 289 =
  20. 20.HCF of 132 and 77 =
  21. 21.HCF of 152 and 128 =
  22. 22.HCF of 345 and 46 =
  23. 23.HCF of 20 and 25 =
  24. 24.HCF of 105 and 336 =
  25. 25.HCF of 28 and 98 =
  26. 26.HCF of 48 and 20 =
  27. 27.HCF of 14 and 6 =
  28. 28.HCF of 45 and 162 =
  29. 29.HCF of 24 and 112 =
  30. 30.HCF of 65 and 52 =
  31. 31.HCF of 8 and 6 =
  32. 32.HCF of 144 and 198 =
  33. 33.HCF of 187 and 238 =
  34. 34.HCF of 78 and 120 =
  35. 35.HCF of 14 and 35 =
  36. 36.HCF of 54 and 42 =
  37. 37.HCF of 323 and 204 =
  38. 38.HCF of 240 and 84 =
  39. 39.HCF of 28 and 30 =
  40. 40.HCF of 375 and 175 =

Answer key

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

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