$$( \frac { 7 } { 5 } \times \frac { 3 } { 4 } ) \times ( \frac { 8 } { 3 } \times \frac { 3 } { 8 } )$$
$\frac{21}{20}=1.05$
$$\frac{7\times 3}{5\times 4}\times \frac{8}{3}\times \frac{3}{8}$$
$$\frac{21}{20}\times \frac{8}{3}\times \frac{3}{8}$$
$$\frac{21\times 8}{20\times 3}\times \frac{3}{8}$$
$$\frac{168}{60}\times \frac{3}{8}$$
$$\frac{14}{5}\times \frac{3}{8}$$
$$\frac{14\times 3}{5\times 8}$$
$$\frac{42}{40}$$
$$\frac{21}{20}$$
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$\frac{3 \cdot 7}{2 ^ {2} \cdot 5} = 1\frac{1}{20} = 1.05$
