Assuming you mean 9:27, or 9/27, it's 1/3
Simplest form of 21/27 is 7/9.
The ratio 27 to 78 in its simplest form is 9 to 26
27/36 in its simplest form is 3/4. 27/9 equal 3 and 36/9 equals 4.
Expressed as a mixed number in its simplest form, 105/27 is equal to 3 8/9 or three and eight ninths.
37/51 is in its simplest form.
It is 2 of 9.
1/9
5/9
2/9
15/27 = 5/9
33
6/27 = 2/9