Four fifths IS anumber.
Four fifths is not a whole number so it is not possible to express it as a whole number.
48
12
It is a rational number.
Four fifths of 10 is 8.
nine four fifths
0.8
There is no Mixed Number as there is no Whole Number involved.
4 is.
Expressed as a mixed number in its simplest form, 4/5 + 4/5 = 1 3/5 or one and three fifths.
four fifths.