Answer :
[tex]1 \frac{1}{6} - \frac{7}{12} \\
\\ 1 \frac{1}{6}= \frac{1x6+1}{6}= \frac{7}{6} \\
\\ \frac{7x2}{6x2}= \frac{14}{12} \\
\\ \frac{7x1}{12x1}= \frac{7}{12} \\
\\ \frac{14}{12} - \frac{7}{12}= \frac{7}{12} \\
\\ Solution: \frac{7}{12}
[/tex]