By rename do you mean turn into an improper fraction?
if so, it is because without turning it into an improper fraction, you cannot subtract 3/4 from 1/4 because you would get a negative answer and that would be incorrect
Answer:
Please what is the question
It comes from methane in their clouds
Answer:
the continental plate comes out on top
Explanation:
the oceanic plate is pushed under the continental plate causing mountain ranges to be made.