The LCM of 18 and 21 is 126 because 18x7=126 and 21x6=126
So if you need help finding LCM you take the 2 numbers and write down the multiples of both of those numbers and see which number they both go into.
so here is how i got 126
18,36,54,72,90,108,126
21,42,63,84,105,126
The least common multiple of 18 , 21 = 126
The Least Common Multiple of 18 and 21 is 126.
The Least Common Multiple (LCM) for 21 70 is 210.
The Least Common Multiple (LCM) of (15, 21 and 27) is 945.
The LCM of 7, 21 and 35 is 105.
The least common multiple of 21, 42, 63, and 105 is 630.
The least common multiple of 21 , 18 = 126
least common multiple for 18 and 21 is 126.
The Least Common Multiple of 18 and 21 is 126.
The least common multiple of 36 , 21 , 18 = 252
The Least Common Multiple (LCM) for 21 16 18 is 1,008.
The least common multiple of the numbers 18, 21 and 36 is 252.
The Least Common Multiple (LCM) for 2 6 18 21 is 126.
The Least Common Multiple of 10, 18, 21 is 630.
126The Least Common Multiple (LCM) for 18 21 is 126.It is 126
126
The LCM is: 126
The LCM is: 126