Simple...
you have: \(4 \frac{4}{9}\)
To make this into an improper fraction-->>
1.) Multiply whole number by denominator
2.)Add the number you got plus the numerator
3.) Use the original denominator to finish your improper fraction
Example: \(4\frac{4}{9}\)
4*9=36
36+4=40
\(\frac{40}{9}\)
Thus, your answer.