0
Anonymous
The GCF is 9.
Wiki User
63 - 18 = 45
It is: 15
2*9=18 7*9=63 9 will go into both 18 and 63
18
GCFs refer to integers. The GCF of 4, 18 and 24 is 2.
The Lcm of 18 54 and 63 is: 378
63 = 189
5 and 10
The GCF is 6.
45 - 63 = -18