[tex]\displaystyle\\-2\frac{1}{8}-12\frac{25}{29}-\frac{10}{17}=\\\\\\=-\frac{2\times8+1}{8}-\frac{12\times29+25}{29}-\frac{10}{17}=\\\\\\=-\frac{16+1}{8}-\frac{348+25}{29}-\frac{10}{17}=\\\\\\=-\frac{17}{8}-\frac{373}{29}-\frac{10}{17}=\\\\\\=-\frac{17\times29\times17}{8\times29\times17}-\frac{373\times8\times17}{8\times29\times17}-\frac{10\times8\times29}{8\times29\times17}=\\\\\\=-\frac{8381}{3944}-\frac{50728}{3944}-\frac{2320}{3944}=\\\\\\=\frac{-8381-50728-2320}{3944}=\frac{61429}{3944}[/tex]
