3 and 2/5ths
7.4
2/5 = .4
I assume you mean the fraction 6/5. If you divide 6 by 5, you get the decimal equivalent.
6 and 0.4 6.4
12/5 = 1.4 when expressed as a decimal number.
2/5 = 4/10 = 0.4
2/5 = 40%
3 + 0.4 = 3.4
to find the decimal of four 5ths you have to divid 4 over 5 and you get =1.25
3.8
29/5 as a decimal is 5.8