Convert to a common denominator (ninths), then add.<br><br>
&bull; \(\frac{1}{3} = \frac{3}{9}\)<br>
&bull; \(\frac{8}{9} + \frac{3}{9} = \frac{11}{9}\)<br>
&bull; Convert to a mixed number: \(\frac{11}{9} = 1\frac{2}{9}\)<br>
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Final Answer: A: \(1\frac{2}{9}\) kg