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It is: 36
The GCF is 9.
The LCM is 648.
It is: 36/648 = 1/18
0.0556
12 and 648
The GCF is 72.
0.0278
36 * 18 = 648
648 divided by 18 is 36
18 multiplied by 36 is 648.
The GCF is 36.
The GCF is 6.