← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 921 · 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 143 and 33 =
  2. 2.HCF of 190 and 80 =
  3. 3.HCF of 44 and 12 =
  4. 4.HCF of 63 and 294 =
  5. 5.HCF of 399 and 210 =
  6. 6.HCF of 240 and 64 =
  7. 7.HCF of 60 and 255 =
  8. 8.HCF of 120 and 408 =
  9. 9.HCF of 216 and 336 =
  10. 10.HCF of 24 and 76 =
  11. 11.HCF of 42 and 78 =
  12. 12.HCF of 175 and 500 =
  13. 13.HCF of 190 and 150 =
  14. 14.HCF of 76 and 16 =
  15. 15.HCF of 342 and 54 =
  16. 16.HCF of 182 and 168 =
  17. 17.HCF of 182 and 154 =
  18. 18.HCF of 380 and 361 =
  19. 19.HCF of 308 and 286 =
  20. 20.HCF of 238 and 168 =
  21. 21.HCF of 312 and 144 =
  22. 22.HCF of 216 and 204 =
  23. 23.HCF of 15 and 85 =
  24. 24.HCF of 9 and 24 =
  25. 25.HCF of 75 and 10 =
  26. 26.HCF of 95 and 133 =
  27. 27.HCF of 210 and 189 =
  28. 28.HCF of 50 and 45 =
  29. 29.HCF of 72 and 168 =
  30. 30.HCF of 51 and 18 =
  31. 31.HCF of 119 and 289 =
  32. 32.HCF of 48 and 224 =
  33. 33.HCF of 312 and 408 =
  34. 34.HCF of 275 and 450 =
  35. 35.HCF of 138 and 391 =
  36. 36.HCF of 200 and 180 =
  37. 37.HCF of 46 and 161 =
  38. 38.HCF of 221 and 170 =
  39. 39.HCF of 152 and 247 =
  40. 40.HCF of 12 and 44 =

Answer key

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

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