315+63 = 378
20 x 3.15 ie 63
315 / 63 = 5
63
The GCF is 63.
The GCF is 63.
The LCM is 315.
The LCM of 15 and 63 is 315 63x5=315 15x21=315.
It is: 315
The LCM is 315.
3.15 has two digits after the decimal point to you divide 315 by 1 followed by 2 0s and then simplify. Thus 3.15 = 315/100 = 63/20.
The GCF is 63.