← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 410 · 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 24 and 40 =
  2. 2.HCF of 56 and 24 =
  3. 3.HCF of 90 and 70 =
  4. 4.HCF of 140 and 360 =
  5. 5.HCF of 325 and 175 =
  6. 6.HCF of 32 and 304 =
  7. 7.HCF of 294 and 105 =
  8. 8.HCF of 78 and 84 =
  9. 9.HCF of 340 and 180 =
  10. 10.HCF of 32 and 48 =
  11. 11.HCF of 22 and 33 =
  12. 12.HCF of 198 and 288 =
  13. 13.HCF of 65 and 20 =
  14. 14.HCF of 25 and 45 =
  15. 15.HCF of 76 and 60 =
  16. 16.HCF of 480 and 456 =
  17. 17.HCF of 51 and 68 =
  18. 18.HCF of 57 and 6 =
  19. 19.HCF of 84 and 102 =
  20. 20.HCF of 182 and 252 =
  21. 21.HCF of 54 and 144 =
  22. 22.HCF of 361 and 209 =
  23. 23.HCF of 120 and 16 =
  24. 24.HCF of 147 and 336 =
  25. 25.HCF of 63 and 140 =
  26. 26.HCF of 104 and 64 =
  27. 27.HCF of 70 and 65 =
  28. 28.HCF of 96 and 456 =
  29. 29.HCF of 56 and 64 =
  30. 30.HCF of 70 and 45 =
  31. 31.HCF of 104 and 221 =
  32. 32.HCF of 180 and 117 =
  33. 33.HCF of 108 and 342 =
  34. 34.HCF of 55 and 15 =
  35. 35.HCF of 408 and 144 =
  36. 36.HCF of 133 and 21 =
  37. 37.HCF of 255 and 45 =
  38. 38.HCF of 345 and 184 =
  39. 39.HCF of 72 and 156 =
  40. 40.HCF of 10 and 45 =

Answer key

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

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