5 over 9 is it's own lowest form!:-)
50:45 is 10:9 in lowest form
9 over 20.
9/20
9/20
1/5
50/45 is an improper fraction. 1 and 1/9 is an equivalent mixed number in lowest form.
9/81 in its lowest form is 1/9
Simplest form of 10 over 45 is 2/9
4/9
7/9
1/5.