Assuming that you mean "fifths", the answer is three fifths.
One whole minus two fifths is three fifths.
minus three fifths
one fifth
One third of three fifths is one fifth.
One whole minus two fifths is three fifths.
Call it 21 fifths minus 13 fifths, ie 8 fifths which is one-and-three-fifths
Assuming that you mean "fifths", the answer is three fifths.
3.4 or three and two fifths
The answer is six and three fifths or 6 and 3/5 :D
one fifth
1 fifth
minus three fifths
two fifths
1 and 4 fifths.
one fifth