1-4/9

To solve the expression \( 1 - \frac{4}{9} \), first, we need to express 1 as a fraction with a common denominator of 9.

We can write 1 as \( \frac{9}{9} \).

Now the equation looks like this:

\[ \frac{9}{9} - \frac{4}{9} \]

Now, subtract the fractions:

\[ \frac{9 - 4}{9} = \frac{5}{9} \]

So,

\[ 1 - \frac{4}{9} = \frac{5}{9} \]