$$- 8 \frac { 1 } { 20 } + 4 \frac { 4 } { 15 } - 4 , 2$$
$-\frac{467}{60},2$
$$sort(-\frac{160+1}{20}+\frac{4\times 15+4}{15}-4,2)$$
$$sort(-\frac{161}{20}+\frac{4\times 15+4}{15}-4,2)$$
$$sort(-\frac{161}{20}+\frac{60+4}{15}-4,2)$$
$$sort(-\frac{161}{20}+\frac{64}{15}-4,2)$$
$$sort(-\frac{483}{60}+\frac{256}{60}-4,2)$$
$$sort(\frac{-483+256}{60}-4,2)$$
$$sort(-\frac{227}{60}-4,2)$$
$$sort(-\frac{227}{60}-\frac{240}{60},2)$$
$$sort(\frac{-227-240}{60},2)$$
$$sort(-\frac{467}{60},2)$$
$$-\frac{467}{60},2$$
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