It is 0.6
7.8 is the decimal equivalent of seven and four fifths.
3/5 = 6/10 = 0.6
Three-fifths, also written 3/5 is the decimal equivalent of 0.6. To get this divide the numerator of the fraction (3) and divide it by the denominator (5). 3 divided by 5 is 0.6 so three fifths is also 0.6.
.4
0.40
1.6
0.2
0.4
0.8
1.2
19.4
The decimal equivalent of 12/5=2.4