168
Wiki User
∙ 10y agoThe LCM is 252.
the lcm of 3 and 7 is 21 and the lcm of 7 and 21 is 21, so the lcm of 3, 7 and 21 is the lcm of 21 and 21 which is 21.
3: 3 28: 7, 2, 2 21: 7, 3 LCM = 3x7x4 = 84
The LCM is 105.
The LCM is 42
The LCM is 84.
The LCM is 168.
The LCM is 168.
LCM of 5 7 21 is 105.
The LCM of 7 21 35 is 105
2/3 + 5/7 (the common denominator is 21, the LCM of 3 and 7) = 2*7/3*7 + 5*3/7*3 = 14/21 + 15/21 = (14 + 15)/21 = 29/21 = (21 + 8)/21 = 21/21 + 8/21 = 1 + 8/21 = 1 8/21
The LCM is 42.