Fourteen and four fifths.
minus three fifths
Two and two fifths. Five minus two and three fifths = two and two fifths
six and three fifths
Call it 21 fifths minus 13 fifths, ie 8 fifths which is one-and-three-fifths
6 and two fifths
Assuming that you mean "fifths", the answer is three fifths.
the answer is negative 11 fifths
14/15 - 3/5 = 14/15 - 9/15 = 5/15 = 1/3
Converting to twentieths it is fifteen twentieths minus sixteen twentieths, so the result is minus one twentieth.