← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 634 · 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 231 and 210 =
  2. 2.HCF of 66 and 54 =
  3. 3.HCF of 10 and 15 =
  4. 4.HCF of 21 and 14 =
  5. 5.HCF of 176 and 128 =
  6. 6.HCF of 420 and 231 =
  7. 7.HCF of 104 and 195 =
  8. 8.HCF of 72 and 45 =
  9. 9.HCF of 36 and 234 =
  10. 10.HCF of 342 and 324 =
  11. 11.HCF of 133 and 28 =
  12. 12.HCF of 300 and 475 =
  13. 13.HCF of 272 and 288 =
  14. 14.HCF of 38 and 16 =
  15. 15.HCF of 152 and 128 =
  16. 16.HCF of 150 and 105 =
  17. 17.HCF of 133 and 70 =
  18. 18.HCF of 80 and 104 =
  19. 19.HCF of 132 and 143 =
  20. 20.HCF of 143 and 165 =
  21. 21.HCF of 26 and 247 =
  22. 22.HCF of 20 and 18 =
  23. 23.HCF of 30 and 96 =
  24. 24.HCF of 198 and 209 =
  25. 25.HCF of 260 and 140 =
  26. 26.HCF of 63 and 210 =
  27. 27.HCF of 15 and 80 =
  28. 28.HCF of 322 and 299 =
  29. 29.HCF of 120 and 312 =
  30. 30.HCF of 48 and 88 =
  31. 31.HCF of 60 and 27 =
  32. 32.HCF of 308 and 110 =
  33. 33.HCF of 33 and 54 =
  34. 34.HCF of 66 and 90 =
  35. 35.HCF of 48 and 42 =
  36. 36.HCF of 208 and 320 =
  37. 37.HCF of 104 and 128 =
  38. 38.HCF of 132 and 240 =
  39. 39.HCF of 299 and 138 =
  40. 40.HCF of 32 and 76 =

Answer key

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

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