8.8 Plus 420.9 Addition :

Number 1	Number 2	Answer
8.8	420.9	429.7

How to calculate 8.8 plus 420.9 ?

Let's break down the addition of 008.8 and 420.9 step by step:

   008.8      <-- Start with the rightmost column
+  420.9
---------

    Add the digits in the rightmost column:
        8 + 9 + 1 = 17
        Write down 7 in the rightmost column, carry over 1 to the next column.

   008.8
+  420.9
---------
     7


    Add the digits in the rightmost column:
        8 + 0 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   008.8
+  420.9
---------
     9.7


    Add the digits in the rightmost column:
        0 + 2 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   008.8
+  420.9
---------
     29.7


    Add the digits in the rightmost column:
        0 + 4 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   008.8
+  420.9
---------
     429.7

    Continue to the left:
        There are no more columns to the left.

The final result is 429.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.9	426.9	435.8	8.9 plus 426.9
9	434.9	443.9	9 plus 434.9
9.1	439.9	449	9.1 plus 439.9
9.8	3.5	13.3	9.8 plus 3.5
5.2	1.8	7	5.2 plus 1.8
9.1	6.8	15.9	9.1 plus 6.8