No.
The fraction twenty over eighty can be simplified to become one fourth.
seven over twenty
Yes, to 3/7
yes, one over seven
It is already in its simplest form.
7/12
The fraction is fifty-five over one hundred, which reduced is eleven over twenty.
One and twenty-seven over fourty
It is 25/100 = 1/4
Maybe
11/21
7 22/100. Technically it's seven and twenty-two over one hundred.