← HCF by subtraction lesson New set →

HCF Worksheet

Vedic maths trick 36: HCF by subtraction · Set 850 · 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 39 and 247 =
  2. 2.HCF of 100 and 35 =
  3. 3.HCF of 187 and 221 =
  4. 4.HCF of 75 and 275 =
  5. 5.HCF of 176 and 48 =
  6. 6.HCF of 85 and 30 =
  7. 7.HCF of 184 and 161 =
  8. 8.HCF of 26 and 247 =
  9. 9.HCF of 80 and 170 =
  10. 10.HCF of 40 and 136 =
  11. 11.HCF of 28 and 91 =
  12. 12.HCF of 119 and 98 =
  13. 13.HCF of 18 and 33 =
  14. 14.HCF of 69 and 92 =
  15. 15.HCF of 144 and 60 =
  16. 16.HCF of 20 and 150 =
  17. 17.HCF of 66 and 78 =
  18. 18.HCF of 32 and 18 =
  19. 19.HCF of 45 and 153 =
  20. 20.HCF of 144 and 128 =
  21. 21.HCF of 56 and 136 =
  22. 22.HCF of 264 and 240 =
  23. 23.HCF of 15 and 27 =
  24. 24.HCF of 63 and 56 =
  25. 25.HCF of 80 and 104 =
  26. 26.HCF of 117 and 135 =
  27. 27.HCF of 110 and 44 =
  28. 28.HCF of 102 and 48 =
  29. 29.HCF of 105 and 300 =
  30. 30.HCF of 340 and 260 =
  31. 31.HCF of 102 and 78 =
  32. 32.HCF of 64 and 44 =
  33. 33.HCF of 16 and 88 =
  34. 34.HCF of 273 and 147 =
  35. 35.HCF of 132 and 96 =
  36. 36.HCF of 99 and 121 =
  37. 37.HCF of 285 and 135 =
  38. 38.HCF of 140 and 90 =
  39. 39.HCF of 221 and 340 =
  40. 40.HCF of 140 and 126 =

Answer key

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

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