решите пример пж (-1/12+2/5)-(0,36-0,64)-1целая 13/15

1) -1\12+2/5=-5/60+24/60=19/60

2) 0.36-0.64=-0.28

3)19/60-(-28/100)=95/300+84/300=179/300

4)179/300-27/15=179/300-(20*27)/300=179/300-540/300=-361/300= - 1целая 61/300