One half plus one third equals five sixths or about .8333333.
Five tenths
91/12
one and two sixth's
1-1/3
"What is four and a half plus three and five sixths": Eight and one third (8 1/3)
One quart plus one half pint, two pints and one half pint or five half pints.
One and one eighteenth: 11/18
google it or bing it
8
Make it simpler by saying that five-tenths is one-half ... so you can rewrite it as what is seven and one-half plus ten and one-half? then you add 7 + 10 = 17 and one-half + one-half = one... .17+1=18 therefore 7 and 5/10 + 10 and 1/2 = 18
7 1/4
15/'
one and five tenths or one and a half
16.25
five
that would be one and a quarter! =] 3/4 plus one half is 5/4 which is actually 1 and 1/4