12.9 Plus 138.6 Addition :

Number 1	Number 2	Answer
12.9	138.6	151.5

How to calculate 12.9 plus 138.6 ?

Let's break down the addition of 012.9 and 138.6 step by step:

   012.9      <-- Start with the rightmost column
+  138.6
---------

    Add the digits in the rightmost column:
        9 + 6 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   012.9
+  138.6
---------
     5


    Add the digits in the rightmost column:
        2 + 8 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   012.9
+  138.6
---------
     1.5


    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.

   012.9
+  138.6
---------
     51.5


    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.

   012.9
+  138.6
---------
     151.5

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

The final result is 151.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
13	142.6	155.6	13 plus 142.6
13.1	151.6	164.7	13.1 plus 151.6
13.2	158.6	171.8	13.2 plus 158.6
1.1	1	2.1	1.1 plus 1
5.6	6.5	12.1	5.6 plus 6.5
4.8	1.8	6.6	4.8 plus 1.8