(2 1/8 - 1 3/8) : (3 5/6 - 4 1/4)

[tex](2 \frac{1}{8} - 1 \frac{3}{8} ) \div ( 3 \frac{5}{6} - 4 \frac{1}{4} )[/tex]
[tex]( \frac{17}{8} - \frac{11}{8} ) \div ( \frac{23}{6} - \frac{9}{4} )[/tex]
[tex] \frac{6}{8} \div ( \frac{46 - 27}{12} )[/tex]
[tex] \frac{6}{8} \div \frac{19}{12} [/tex]
[tex] \frac{6}{8} \times \frac{12}{19} [/tex]
[tex] \frac{9}{19} [/tex]