Answer :
We will first convert the numbers to be operated on to fractions.
[tex]\begin{gathered} -12.41=-\frac{1241}{100} \\ -9.95=-\frac{995}{100} \end{gathered}[/tex]Performing subtraction operation gives:
[tex]\begin{gathered} -\frac{1241}{100}-(-\frac{995}{100}) \\ -\frac{1241}{100}+\frac{995}{100}=\frac{-1241+995}{100} \\ -\frac{1241}{100}+\frac{995}{100}=-\frac{246}{100}=-\frac{123}{50} \\ -\frac{1241}{100}+\frac{995}{100}=-\frac{123}{50} \end{gathered}[/tex]