4 Plus 138.9 Addition :

Number 1	Number 2	Answer
4	138.9	142.9

How to calculate 4 plus 138.9 ?

Let's break down the addition of 00400 and 138.9 step by step:

   00400      <-- Start with the rightmost column
+  138.9
---------

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

   00400
+  138.9
---------
     9


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

   00400
+  138.9
---------
     09


    Add the digits in the rightmost column:
        4 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   00400
+  138.9
---------
     209


    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.

   00400
+  138.9
---------
     4209


    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.

   00400
+  138.9
---------
     14209

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

The final result is 14209.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.1	144.9	149	4.1 plus 144.9
4.2	150.9	155.1	4.2 plus 150.9
4.3	159.9	164.2	4.3 plus 159.9
8.6	0.2	8.8	8.6 plus 0.2
6.6	7.9	14.5	6.6 plus 7.9
9.7	6.1	15.8	9.7 plus 6.1