8.9 Plus 128.9 Addition :

Number 1	Number 2	Answer
8.9	128.9	137.8

How to calculate 8.9 plus 128.9 ?

Let's break down the addition of 008.9 and 128.9 step by step:

   008.9      <-- Start with the rightmost column
+  128.9
---------

    Add the digits in the rightmost column:
        9 + 9 + 1 = 18
        Write down 8 in the rightmost column, carry over 1 to the next column.

   008.9
+  128.9
---------
     8


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

   008.9
+  128.9
---------
     7.8


    Add the digits in the rightmost column:
        0 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   008.9
+  128.9
---------
     37.8


    Add the digits in the rightmost column:
        0 + 1 + 0 = 1
        Write down 1 in the rightmost column, carry over 0 to the next column.

   008.9
+  128.9
---------
     137.8

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

The final result is 137.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9	129.9	138.9	9 plus 129.9
9.1	131.9	141	9.1 plus 131.9
9.2	134.9	144.1	9.2 plus 134.9
6.7	3.4	10.1	6.7 plus 3.4
0.9	7.1	8	0.9 plus 7.1
4.4	6.4	10.8	4.4 plus 6.4