9.9 Plus 138.4 Addition :

Number 1	Number 2	Answer
9.9	138.4	148.3

How to calculate 9.9 plus 138.4 ?

Let's break down the addition of 009.9 and 138.4 step by step:

   009.9      <-- Start with the rightmost column
+  138.4
---------

    Add the digits in the rightmost column:
        9 + 4 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   009.9
+  138.4
---------
     3


    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.

   009.9
+  138.4
---------
     8.3


    Add the digits in the rightmost column:
        0 + 3 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   009.9
+  138.4
---------
     48.3


    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.

   009.9
+  138.4
---------
     148.3

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

The final result is 148.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10	141.4	151.4	10 plus 141.4
10.1	145.4	155.5	10.1 plus 145.4
10.2	146.4	156.6	10.2 plus 146.4
3.2	0.5	3.7	3.2 plus 0.5
6.6	7.9	14.5	6.6 plus 7.9
7.9	3	10.9	7.9 plus 3