Question

Помогите кому легко☺️

Answer 1

$\frac{5}{13} + x = 1 \frac{2}{13} \\ x = 1 \frac{2}{13} - \frac{5}{13} \\ x = \frac{15}{13} - \frac{5}{13} \\ x = \frac{10}{13}$