Answer:
A) 12/15
Explanation:
To see if they are equivilent, you can simplify the fractions to see if thery are the same
12/15 can be simplified by 3
12/15 = 4/5
2/3 cannot be simplified
2/3 = 2/3
18/27 can be simplified by 9
18/27 = 2/3
6/9 can be simplified by 3
6/9 = 2/3
The only fraction that is different is 12/15