They are: 14/18 and 21/27
-5/9, -10/18, -15/27
I do not know 2/18; 3/27
270/630 and 2700000/6300000 are equivalent.
You can always find equivalent fractions by multiplying a fraction by 2. Therefore, 27/35 is the same as 54/70 and the same as 108/140.
63/81 and 21/27
14 out of 18 and 21 out of 27
Yes.
They are: 16/18 and 24/27
16 over 18 and 24 over 27
18/8, 27/12
16/18, 24/27
28/54, 42/81
They are: 14/18 and 21/27
It is: 27/55
-5/9, -10/18, -15/27
I do not know 2/18; 3/27