Answer:A.½ B.-½ C.2⁷/20
Step-by-step explanation:A. 5¾+(-¼) =23/4 - ¼ =22/
=5½
B. -⅔+⅙ = (-4+1)/6=-½
C. -8/5-¾= (-32-15)/20 =47/20 =2⁷/
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