7.4
7 and 2/5ths
2/5 = .4
2/5:= 2 ÷ 5= 0.4 in decimal
4 and 2 5ths = 22/5 2 and 3 5ths = 13/5 22/5 + 13/5 = 35/5 = 7/1 = 7
3 and 2/5ths
6 and 0.4 6.4
12/5 = 1.4 when expressed as a decimal number.
1 and 2 5ths would be 7/5
2/5 = 4/10 = 0.4
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