4 5/6+2 3/8=29/6+19/8=(29*4+19*3)/24=173/24=7 5/24.
3 4/9 +2 2/7=31/9+16/7=(31*7+16*9)/63=361/63=5 46/63.
4 5/6+2 3/8=29/6+19/8=(29*4+19*3)/24=173/24=7 5/24.
3 4/9 +2 2/7=31/9+16/7=(31*7+16*9)/63=361/63=5 46/63.