(Three of anything) plus (another three of it) = (six of the same thing)
three fifths plus one quarter = 17 twentieths
(3/5)+(3/5)+(3/5) = 9/5 = 1 and 4/5
5
It is: 3/5+5/8 = 49/40
47 fifths or 9 and 2 fifths
7 4/5
Three and four-fifths
four fifths
four fifths
They add to: 4 and 1/5
One and three fifths.