To multiply \( \frac{2}{9} \) by \( 4 \), you can write \( 4 \) as a fraction, which is \( \frac{4}{1} \).
Now, multiply the two fractions:
\[ \frac{2}{9} \times \frac{4}{1} = \frac{2 \times 4}{9 \times 1} = \frac{8}{9} \]
So, \( \frac{2}{9} \times 4 = \frac{8}{9} \).