$$\frac { 6 } { 7 } \times 1 \frac { 5 } { 9 } \times 3 \frac { 3 } { 8 }$$
$\frac{9}{2}=4.5$
$$\frac{6}{7}\times \frac{9+5}{9}\times \frac{3\times 8+3}{8}$$
$$\frac{6}{7}\times \frac{14}{9}\times \frac{3\times 8+3}{8}$$
$$\frac{6\times 14}{7\times 9}\times \frac{3\times 8+3}{8}$$
$$\frac{84}{63}\times \frac{3\times 8+3}{8}$$
$$\frac{4}{3}\times \frac{3\times 8+3}{8}$$
$$\frac{4}{3}\times \frac{24+3}{8}$$
$$\frac{4}{3}\times \frac{27}{8}$$
$$\frac{4\times 27}{3\times 8}$$
$$\frac{108}{24}$$
$$\frac{9}{2}$$
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$\frac{3 ^ {2}}{2} = 4\frac{1}{2} = 4.5$
