$$\frac{13}{15}\times(4\frac{6}{7}\div2\frac{4}{5})$$
$\frac{221}{147}\approx 1.503401361$
$$\frac{13}{15}\times \frac{\left(4\times 7+6\right)\times 5}{7\left(2\times 5+4\right)}$$
$$\frac{13}{15}\times \frac{\left(28+6\right)\times 5}{7\left(2\times 5+4\right)}$$
$$\frac{13}{15}\times \frac{34\times 5}{7\left(2\times 5+4\right)}$$
$$\frac{13}{15}\times \frac{170}{7\left(2\times 5+4\right)}$$
$$\frac{13}{15}\times \frac{170}{7\left(10+4\right)}$$
$$\frac{13}{15}\times \frac{170}{7\times 14}$$
$$\frac{13}{15}\times \frac{170}{98}$$
$$\frac{13}{15}\times \frac{85}{49}$$
$$\frac{13\times 85}{15\times 49}$$
$$\frac{1105}{735}$$
$$\frac{221}{147}$$
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$\frac{13 \cdot 17}{3 \cdot 7 ^ {2}} = 1\frac{74}{147} = 1.5034013605442176$
