如何计算Lcm
learn.whatIsHeading
The Least Common Multiple (LCM) is the smallest positive integer that is a multiple of both numbers. It is used for adding fractions (as the LCD) and solving scheduling problems.
分步指南
- 1Find the GCF(a, b) first
- 2LCM(a, b) = (a × b) ÷ GCF(a, b)
例题解析
输入
LCM(4, 6)
结果
12
GCF=2, LCM=24÷2=12
输入
LCM(12, 15)
结果
60
GCF=3, LCM=180÷3=60