What is lcm(99,100)\text{lcm}(99, 100)lcm(99,100)?
990099009900
99⋅100gcd(99,100)\frac{99 \cdot 100}{\gcd(99, 100)}gcd(99,100)99⋅100
99002\frac{9900}{2}29900
100+99=199100 + 99 = 199100+99=199