4/5
5 is 25 fifths, 3 x 4 fifths is 12 fifths so difference is 13 fifths or 2.6 or two and three fifths.
3 and 3/5
Three fifths minus fifteen equals -14 and two fifths.
To calculate four fifths minus three tenths, first convert both fractions to have a common denominator. The common denominator for 5 and 10 is 10, so four fifths becomes eight tenths. Now, subtract three tenths from eight tenths: (8/10 - 3/10 = 5/10), which simplifies to one half. Therefore, four fifths minus three tenths equals one half.
6+(3/5)
Assuming that you mean "fifths", the answer is three fifths.
4/50 minus 3/5 is -13/25
3 9/10.
5 is 25 fifths, 3 x 4 fifths is 12 fifths so difference is 13 fifths or 2.6 or two and three fifths.
3 and 3/5
4/5 minus 1/5 = 3/5
Three fifths minus fifteen equals -14 and two fifths.
4/5 - 4/3 = -8/15, or negative eight fifteenths
3 and 3/5
6+(3/5)
1/3
0.3 or 3/10