Объясните решение примера 1 7/9 + 28 + 2 5/12 + 5 2/9 + 7/12 + 4 3/4
16/9+28+29/12+47/9+7/12+19/4=64/36+28+87/36+188/36+21/36+171/36=151/36+209/36+171/36+28=531/36+28=14 27/36+28=14 3/4+28=42 3/4