There are exactly 5 x 3/5 in 15
Three fifths minus fifteen equals -14 and two fifths.
9
Eight and three fourths plus six and two fifths is fifteen and one twentieth.
123
First we need to convert them into like terms. Three fifths is twelve twentieths. Three fourths is fifteen twentieths. Together that is twenty-seven twentieths. That is one and seven twentieths or 1.35 in decimal.
Three fifths minus fifteen equals -14 and two fifths.
9
Two-fifths of fifteen is 6.
Eight and three fourths plus six and two fifths is fifteen and one twentieth.
Eleven- fifths plus four- fifths equals fifteen- fifths, which reduces to three wholes. (11/5+4/5=15/5, or 3/1)
Fourteen and four fifths.
3
Three fifths of a piece.
16.
123
12
6