Answer :
Divide the top and bottom by the greatest common factor. Well, I know both can be divided by 3.
126/3=42
399/3=133
So then you have 42/133
The top and bottom can then both be divided by 7.
42/7=6
133/7=19
So the answer is 6/19 or 0.315789
126/3=42
399/3=133
So then you have 42/133
The top and bottom can then both be divided by 7.
42/7=6
133/7=19
So the answer is 6/19 or 0.315789