FSB – Least Common Multiple

  • The smallest multiple that two or more numbers have in common.
    • Ex. LCM: 3 & 4
      • 3, 6, 9, 12, 15, 18, etc.
      • 4, 8, 12, 16, etc.
      • The smallest multiple they have in common is 12
  • The LCM is often used to…
    • find common denominators in fractions (when adding or subtracting fractions)
    • set a goal for elimination (when solving systems of equations)
FSB – Least Common Multiple (LCM)