Question

Fill in the branks:

$$...+\frac{15}{23}=4$$

Answer 1

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