No, it's never greater than the smallest number.
A number can't have a factor greater than itself, so the GCF of a pair of numbers can't ever be greater than the smaller number. The GCF of 9 and 18 is 9.
No. At most, it can be equal to the smaller number.
No, it's never greater than the smallest number.
No, it's never greater than the lesser number.
No but it can be the same as the biggest number as for example the gcf of 30 and 15 is 30
I can't give you an example of when that happens because that doesn't ever happen. The GCF of a pair of numbers can't be larger than the smaller number.
No.
No.
No.
No.
You find the common denominator for both fractions and which ever has the highest numerator is greater.
No.