1 and 9.
3 goes into both 27 and 12. 3 x 9 = 27 and 3 x 4 = 12
3
nothing
It is: 1
1,2,4 EVENLY
3
One.
It is: 1
9 over 12 reduces to 3 over 4. Divide the denominator (12) and the numerator(9) by 3 because 3 is the largest number that goes evenly into both numbers.
12 divided by 2 = 6
1