(Х+5/8)+5/9=41/45, 7/15+(у+1/20)=17/30
Х+5/8+5/9=41/45 х+45+40/72=41/45 х+85/72=41/45 х=41/45-85/72 х=328-425/360 х=-97/360
15/7*7/15*(у+1/20)=15/7*17/30