What is the ratio 18 to 27 written as a fraction in lowest term?
a.
2/3
b.
6/9
c.
9/13
d.
3/5

The correct answer for the given question above would be option A. 2/3. Since both number 18 and number 27 are divisible by 9, 18 divided by 9 is 2, and 27 divided by 9 is 3 which will give you the answer of 2 and 3. So 18/27 in its lowest term is 2/3. 

18 to 27 can be written as 18/27 which reduces to 2/3