Question

0.45 repeating as a fraction

Answer 1

0.9090909.../2
This is the equivalent and it has no equal fraction counterpart

Answer 2

write a systems of equations, in one variable, to show this problem.
100x=45 .45

x=0.45
Now, subtraction , like you would do to solve an equation by elimination.
99
x=45
x=45/99
x=5/11
Therefore,
0.45
as a fraction is
5/11