It is 126, as in the question.
126/420 = 3/10 in its lowest terms
126 over 147 in lowest terms is 6/7
90/126 is 5/7 in its lowest terms
1/19
54/126 is 3/7 in lowest term. This means that the LCM (Lowest Common Multiple) is 18.
The lowest common multiple of 21 and 126 is 126.
126/2394 = 1/19 by dividing by 126
It is in its lowest terms.
The lowest common multiple of 126 and 105 is 630.
It is already in its lowest terms
It is already in its lowest terms
126