M = $1\frac{3}{{34}} \times 10\frac{1}{{12}} \times \frac{8}{9} \times 2\frac{1}{8} \times \frac{3}{{13}} \times \frac{{26}}{{37}} \times 1\frac{9}{{11}} \times \frac{3}{4}$ $ = \frac{{37}}{{34}} \times \frac{{121}}{{12}} \times \frac{8}{9} \times \frac{{17}}{8} \times \frac{3}{{13}} \times \frac{{26}}{{37}} \times \frac{{20}}{{11}} \times \frac{3}{4}$ $ = \frac{{37 \times 11 \times 11 \times 8 \times 17 \times 3 \times 13 \times 2 \times 5 \times 4 \times 3}}{{17 \times 2 \times 4 \times 3 \times 9 \times 8 \times 13 \times 37 \times 11 \times 4}}$ $ = \frac{{11 \times 5}}{3} = \frac{{55}}{3}$