Yes. Line up them up when you're adding, too.
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You need to line up decimals for additional and subtraction. For multiplication, you don't need to line them up - in fact, it would serve no useful purpose.
line up the decimals together
When you are lining up decimals to add or subtract, always line the decimals up before doing the problem. An example is: 1.468 + 0.0004 would be lined up this way: 1.468 0.0004 1.4684 If this is a bit confusing, you could add a zero to 1.468 and it would be 1.4680. When doing subtraction, you would do the same. An example is: 4 - 0.086 4 can be written 4.0 or 4.000, so line then up like this: 4.000 -0.086 3.914
39.63 +42.35 ------------ 81.98 Just line up the decimals and then add.
line up the demials