← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 286 · 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 117 and 91 =
  2. 2.HCF of 102 and 85 =
  3. 3.HCF of 220 and 80 =
  4. 4.HCF of 51 and 289 =
  5. 5.HCF of 176 and 143 =
  6. 6.HCF of 342 and 288 =
  7. 7.HCF of 154 and 98 =
  8. 8.HCF of 45 and 171 =
  9. 9.HCF of 78 and 12 =
  10. 10.HCF of 9 and 60 =
  11. 11.HCF of 133 and 35 =
  12. 12.HCF of 102 and 36 =
  13. 13.HCF of 224 and 238 =
  14. 14.HCF of 20 and 38 =
  15. 15.HCF of 20 and 72 =
  16. 16.HCF of 456 and 384 =
  17. 17.HCF of 288 and 306 =
  18. 18.HCF of 114 and 12 =
  19. 19.HCF of 200 and 220 =
  20. 20.HCF of 68 and 24 =
  21. 21.HCF of 55 and 70 =
  22. 22.HCF of 12 and 54 =
  23. 23.HCF of 112 and 266 =
  24. 24.HCF of 10 and 24 =
  25. 25.HCF of 27 and 144 =
  26. 26.HCF of 180 and 117 =
  27. 27.HCF of 374 and 396 =
  28. 28.HCF of 336 and 315 =
  29. 29.HCF of 98 and 112 =
  30. 30.HCF of 15 and 54 =
  31. 31.HCF of 45 and 99 =
  32. 32.HCF of 112 and 88 =
  33. 33.HCF of 374 and 154 =
  34. 34.HCF of 130 and 50 =
  35. 35.HCF of 52 and 72 =
  36. 36.HCF of 361 and 342 =
  37. 37.HCF of 65 and 25 =
  38. 38.HCF of 216 and 126 =
  39. 39.HCF of 336 and 408 =
  40. 40.HCF of 247 and 209 =

Answer key

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

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