The GCF is 4.
The GCF of 18 and 40 is 2.
The GCF is 2.
The GCF is 2.
The GCF is 8. 32/40 = 4/5
The GCF is 8.
Same as the gcf of 32 and 8 (8 is the remainder of the division of 40 by 32).
The GCF is 8.
The GCF is 8.
The GCF is 8.
The GCF is: 8
The GCF is 8.