\( 5 \frac{2}{11} = \frac{5 \cdot 11 + 2}{11} = \frac{57}{11} \)
\( 1 \frac{6}{11} = \frac{1 \cdot 11 + 6}{11} = \frac{17}{11} \)
\( y = \frac{57}{11} - \frac{17}{11} = \frac{57 - 17}{11} = \frac{40}{11} \)
\( \frac{40}{11} = 3 \frac{7}{11} \)
Ответ: \( y = 3 \frac{7}{11} \).