It's three and one half.
13.5
4
3/10!!
"What is four and a half plus three and five sixths": Eight and one third (8 1/3)
4/5 is what a half plus three tenths equals.
Four and one sixth.
1/2 or one half
1/4
1 and 1.5/5
It is 23.
four and three twentieths :)