Remember
Insert 0 into any empty space when numbers are lined up by decimals.
For example,
convert
5.54
+ 7.6
to
5.54
+ 7.60
convert
4.315
+ 4.5
convert
4.315
+ 4.500
Add the numbers.
2.7
+ 6.2
2.2
+ 8.3
2.5
+ 5.5
3.4
+ 6.1
8.8
+ 1.7
9.8
+ 6.2
4.7
+ 4.6
8.6
+ 4.5