Answer:
[tex]27\frac{2}{3}\times \left(81/16\right)-1/4=139\frac{13}{16}[/tex]
Step-by-step explanation:
[tex]27\frac{2}{3}\times \left(81/16\right)-1/4\\\\=\frac{83}{3}\times \frac{81}{16}-\frac{1}{4}\\\\=\frac{2241}{16}-\frac{1}{4}\\\\=\frac{2241}{16}-\frac{4}{16}\\\\=\frac{2241-4}{16}\\\\=139\frac{13}{16}[/tex]
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