(4 7/45+10 2/5)+(11 4/13+8 5/26)=4 7/45+10 2/5+11 4/13+8 5/26=187/45+52/5+147/13+213/26= 4862/1170+12168/1170+13230/1170+9585/1170=39845/1170=613/18=34 1/18
(4 7/45+10 2/5)+(11 4/13+8 5/26)=4 7/45+10 2/5+11 4/13+8 5/26=187/45+52/5+147/13+213/26= 4862/1170+12168/1170+13230/1170+9585/1170=39845/1170=613/18=34 1/18