`-2/11` + `-1/6` + `52/246` + `3/22` + `5/24` + `-7/8`
= `-1968/10824` + `-1804/10824` + `2288/10824` + `1476/10824` + `2255/10824` + `-9471/10824`
= $\frac{-1968-1804+2288+1476+2255-9471}{10824}$
= `-7224/10824`
= `-301/451`
#NOCOPY
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