Решить уравнение! 5 4/15 + y = -2 5/12

5 4/15  + у = - 2 5/12
у = - 2 5/12 - 5 4/15
у = - 2 25/60 - 5 16/60
у = - 7 41/60

Проверка:
5 4/15 - 7 41/60 = 5 16/60 - 7 41/60 = - 2 25/60 = - 2 5/12