9.7 Plus 128.4 Addition :

Number 1	Number 2	Answer
9.7	128.4	138.1

How to calculate 9.7 plus 128.4 ?

Let's break down the addition of 009.7 and 128.4 step by step:

   009.7      <-- Start with the rightmost column
+  128.4
---------

    Add the digits in the rightmost column:
        7 + 4 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   009.7
+  128.4
---------
     1


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

   009.7
+  128.4
---------
     8.1


    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.

   009.7
+  128.4
---------
     38.1


    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.

   009.7
+  128.4
---------
     138.1

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

The final result is 138.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
9.8	131.4	141.2	9.8 plus 131.4
9.9	137.4	147.3	9.9 plus 137.4
10	138.4	148.4	10 plus 138.4
4.6	0.4	5	4.6 plus 0.4
0.3	6.5	6.8	0.3 plus 6.5
1.5	1.3	2.8	1.5 plus 1.3