2 3/4 + 1 1/2
thats wrong btw see what happens when you try to do it like the dinos.... the real answer is 2 3/4 + 1 1/2=4.25 thats the calcultor new tecamenology!
heres a link that might help you http://web2.0calc.com/ man i might start doing this from now on
2 3/4=11/4
1 1/2=3/2
2 3/4+1 1/2=11/4+3/2=11/4+6/4=17/4