The fraction is in simplest form. That is only if it's asking to simplify the fraction.
I would simply phone or e-mail them or tell them directly about the error and say that according to my understanding (use the "I" statement) there appears to be a such and such error that needs to be corrected so that the text does not say give the wrong impression.
Answer:
Killing of Indians
Explanation:
He says they are treated as outlaws with the shooting of his people at any opportunity by the Americans.
The "white men" do not think living in peace with the Indians as an option, since they think they are too different to live side by side with them.