Question
Fill in the blanks.$\dots+\frac{15}{23}=4$

Answer

$\frac{77}{23}+\frac{15}{23}=4$
$\text{x}+\frac{15}{23}=4$
$\Rightarrow\text{x}=\frac{4\times23}{1\times23}-\frac{15}{23}$
$\Rightarrow\text{x}=\frac{92}{23}-\frac{15}{23}$
$\Rightarrow\text{x}=\frac{92-15}{23}$
$\Rightarrow\text{x}=\frac{77}{23}$
$\frac{77}{23}+\frac{15}{23}=4$

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