3.8 + 2.9 = 6.7
4/10 plus 2/5 = 4/5 in its simplest form
2.7 + 2.8 = 5.5 = 5 and 1/2
It is the same as: 1/5+2/5 = 3/5
7.4or 74 tenths
3
4/5 plus 2/10 = 1
1 2/5
It works out at 9 tenths, or 0.9 in decimal.
3.8 + 2.9 = 6.7
3/10 + 1/5 = 1/2
It is: 2/5+8/10 = 6/5
4/10 plus 2/5 = 4/5 in its simplest form
2.7 + 2.8 = 5.5 = 5 and 1/2
It is the same as: 1/5+2/5 = 3/5
7.4or 74 tenths
There are two fifths in four tenths.