2.6, or 2 and 3/5, if that is what you need.
1 can be written as 5/5, so 1 and 1/5 would be 6/5.
6/5 - 4/5 = 2/5, or 0.4 as a decimal.
two & four fifths
I believe the answer is ; one and three fifths. Thanks!
3.4 or three and two fifths
3 and 3/5
minus three fifths
1.6
two fifths
Two and Two Fifths
One whole minus two fifths is three fifths.
One whole and two fifths
Call it 21 fifths minus 13 fifths, ie 8 fifths which is one-and-three-fifths
3 and 3/5