Question

Помогите решить:
y - (8/15y + 5/12y)=

Answer 1

$y-( frac{8}{15} y+ frac{5}{12} y)=y-( frac{32}{60} y+ frac{25}{60} y)= \ \ =y- frac{57}{60} y= frac{60}{60} y-frac{57}{60} y= frac{3}{60} y= frac{1}{20} y= \ \ = frac{5}{100}y=0,05y$