Answer :

amfadroski

Answer:

[tex]6\frac{9}{10}[/tex]

Step-by-step explanation:

[tex]12\frac{4}{5} - 5 \frac{9}{10}[/tex]

LCD: 10  

[tex]12\frac{8}{10} -5\frac{9}{10}[/tex]

answer: [tex]6\frac{9}{10}[/tex]

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