← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 127 · 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 99 and 77 =
  2. 2.HCF of 102 and 36 =
  3. 3.HCF of 231 and 63 =
  4. 4.HCF of 247 and 266 =
  5. 5.HCF of 420 and 147 =
  6. 6.HCF of 54 and 60 =
  7. 7.HCF of 95 and 100 =
  8. 8.HCF of 20 and 25 =
  9. 9.HCF of 304 and 57 =
  10. 10.HCF of 252 and 90 =
  11. 11.HCF of 399 and 105 =
  12. 12.HCF of 308 and 242 =
  13. 13.HCF of 437 and 460 =
  14. 14.HCF of 230 and 253 =
  15. 15.HCF of 84 and 102 =
  16. 16.HCF of 156 and 168 =
  17. 17.HCF of 117 and 91 =
  18. 18.HCF of 98 and 105 =
  19. 19.HCF of 195 and 165 =
  20. 20.HCF of 368 and 299 =
  21. 21.HCF of 34 and 38 =
  22. 22.HCF of 75 and 285 =
  23. 23.HCF of 240 and 72 =
  24. 24.HCF of 75 and 475 =
  25. 25.HCF of 40 and 88 =
  26. 26.HCF of 400 and 260 =
  27. 27.HCF of 10 and 36 =
  28. 28.HCF of 80 and 170 =
  29. 29.HCF of 437 and 138 =
  30. 30.HCF of 285 and 152 =
  31. 31.HCF of 180 and 99 =
  32. 32.HCF of 324 and 342 =
  33. 33.HCF of 102 and 119 =
  34. 34.HCF of 119 and 98 =
  35. 35.HCF of 108 and 120 =
  36. 36.HCF of 102 and 85 =
  37. 37.HCF of 204 and 168 =
  38. 38.HCF of 85 and 289 =
  39. 39.HCF of 40 and 144 =
  40. 40.HCF of 270 and 342 =

Answer key

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

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