Answer:
Final answer: -[tex]\frac{2481}{200}[/tex]
Step-by-step explanation:
-12.405 converted to a mixed number: -12[tex]\frac{81}{200}[/tex]
-12[tex]\frac{81}{200}[/tex] converted to simplest form: -[tex]\frac{2481}{200}[/tex]
Hence the answer being: -[tex]\frac{2481}{200}[/tex]
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