Adding Decimals

Question	Photo of your working out.
0.7 + 0.9 =	0.7 + 0.9 =
1.5 + 3.4 =	4.9 0.1 + 0.3 = 0.4 0.5 +0.4=0.9 =4.9
3.2 + 4.6 =	7.8 0.3+0.4=0.7 0.2 + 0.6 = 0.8 = 7.8
5.1 + 4.8 =	9.9 0.5 + 0.4 = 0.9 0.1 + 0.8 = 0.9 = 9.9
6.4 + 2.5 =	8.9 0.6 + 0.2 = 0.8 0.4 + 0.5 = 0.9 =8.9
4.8 + 3.1 =	7.9 0.4 + 0.3 = 0.7 0.8 + 0.1 = 0.9  =7.9
7.5 + 1.5 =	8.10 0.7+ 0.1 = 0.8 0.5+0.5= 1.0
3.6 + 4.6 =	7.12 0.3 + 0.4 = 0.7 0.6 + 0.6 = 1.2
5.7 + 6.8 =	13.15 0.5 + 0.6 = 1.3 0.7 + 0.8=1.5 = 13.15