To evaluate \( 4 \times \frac{1}{2} \times \frac{5}{9} \), we'll follow these steps:
-
First, calculate \( 4 \times \frac{1}{2} \): \[ 4 \times \frac{1}{2} = \frac{4}{1} \times \frac{1}{2} = \frac{4 \times 1}{1 \times 2} = \frac{4}{2} = 2. \]
-
Next, multiply this result by \( \frac{5}{9} \): \[ 2 \times \frac{5}{9} = \frac{2}{1} \times \frac{5}{9} = \frac{2 \times 5}{1 \times 9} = \frac{10}{9}. \]
Now we have \( \frac{10}{9} \).
- To express \( \frac{10}{9} \) as a mixed number, divide the numerator by the denominator:
- \( 10 \div 9 = 1 \) with a remainder of \( 1 \).
So, we can express \( \frac{10}{9} \) as: \[ 1 \frac{1}{9}. \]
Thus, the answer as a mixed number in simplest form is: \[ \boxed{1 \frac{1}{9}}. \]