12.4 Plus 138.4 Addition :

Number 1	Number 2	Answer
12.4	138.4	150.8

How to calculate 12.4 plus 138.4 ?

Let's break down the addition of 012.4 and 138.4 step by step:

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

    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   012.4
+  138.4
---------
     8


    Add the digits in the rightmost column:
        2 + 8 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   012.4
+  138.4
---------
     0.8


    Add the digits in the rightmost column:
        1 + 3 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   012.4
+  138.4
---------
     50.8


    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.

   012.4
+  138.4
---------
     150.8

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

The final result is 150.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.5	147.4	159.9	12.5 plus 147.4
12.6	154.4	167	12.6 plus 154.4
12.7	155.4	168.1	12.7 plus 155.4
5	0.2	5.2	5 plus 0.2
0.5	5.6	6.1	0.5 plus 5.6
1.7	5	6.7	1.7 plus 5