Question

calcule o valor das expressões (7/8-5/6)+(8/9-7/9)

Answer 1

(7 - 5) + (8 - 7)
 (8 6) (9 9) mmc(6,8) = 24
 
(21 - 20) + ( 1 )
   24              9
 
1 + 1
24 9 mmc(9,24) = 72
 
3 + 8
   72
   
11
72