Найдите сумму -5 7/9+(-3 4/9)
-5 7/9+(-3 4/9)= -5 7/9-3 4/9=-8 11/9=-9 2/9
-5 7/9 + (-3 4/9) = -52/9 + (-31/9) = -83/9 = -9 2/9