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
Okay, so to find 32 percent of 75, you want to divide 100 by 75. You should get 1.33. Then , you will know that 1% of 75 is 1.33. So, to find 32% of 75, multiply the number, 1.33, by 32, and you should get 42.67. So, 32% of 75 is 42.67.
To answer you question, The two main ingredients are Heat and coolness.
i think the answer would be "in both eastern and western hemispheres"