3.9 Plus 138.4 Addition :

Number 1	Number 2	Answer
3.9	138.4	142.3

How to calculate 3.9 plus 138.4 ?

Let's break down the addition of 003.9 and 138.4 step by step:

   003.9      <-- 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.

   003.9
+  138.4
---------
     3


    Add the digits in the rightmost column:
        3 + 8 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   003.9
+  138.4
---------
     2.3


    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.

   003.9
+  138.4
---------
     42.3


    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.

   003.9
+  138.4
---------
     142.3

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

The final result is 142.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4	143.4	147.4	4 plus 143.4
4.1	148.4	152.5	4.1 plus 148.4
4.2	149.4	153.6	4.2 plus 149.4
8.5	3.2	11.7	8.5 plus 3.2
6.6	7.1	13.7	6.6 plus 7.1
3	4.9	7.9	3 plus 4.9