Question

efetue as operações a )1-2/8= b) 1+5/7=

Answer 1

A) 1-2/8 = 1:8

B) 1+5/7 = 6/7

Answer 2

a = 1 - 2/8 = 8/8 - 2/8 = 6/8 ( se quiser simplificar = 3/4 )

b = 1 + 5/7 = 7/7 + 5/7 = 12/7 ( se quiser pôr na forma mista = 1 inteiro e 5/7 )