15.3 (decimal used)
wait...
did you mean 3/10 + 3/5?
In that case, it is 9/10 :)
3 and 7/10
1/5 + 3/10 =2/10 + 3/10 = 5/10 = ½
It is: 7 tenths
does for fives equal to eight tenths
2 and 7 tenths
4
3 and 3/10
3/5 or 0.6
3/5
If you add three tenths to four tenths the sum will be seven tenths.
4.7
3.