Seven minus 3 2/5 is 3 3/5
Call it 21 fifths minus 13 fifths, ie 8 fifths which is one-and-three-fifths
minus three fifths
7/20
two fifths
Two and one fifteenth.
Two and two fifths. Five minus two and three fifths = two and two fifths
six and three fifths
two fifths
6 and two fifths
Assuming that you mean "fifths", the answer is three fifths.
1/4 minus 2/5 minus 3/10 is equal to -0.45 or -9/20