(7/8-1/8)+1/4=? (7/3-4/3)-12/13=? (5/6+7/6)-1/7=? 4/3-(9/11+2/11)=?

Question

(7/8-1/8)+1/4=? (7/3-4/3)-12/13=? (5/6+7/6)-1/7=? 4/3-(9/11+2/11)=?

Answer 1

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