12.2 Plus 138.9 Addition :

Number 1	Number 2	Answer
12.2	138.9	151.1

How to calculate 12.2 plus 138.9 ?

Let's break down the addition of 012.2 and 138.9 step by step:

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

    Add the digits in the rightmost column:
        2 + 9 + 1 = 11
        Write down 1 in the rightmost column, carry over 1 to the next column.

   012.2
+  138.9
---------
     1


    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.

   012.2
+  138.9
---------
     1.1


    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.

   012.2
+  138.9
---------
     51.1


    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.

   012.2
+  138.9
---------
     151.1

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

The final result is 151.1.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
12.3	143.9	156.2	12.3 plus 143.9
12.4	151.9	164.3	12.4 plus 151.9
12.5	155.9	168.4	12.5 plus 155.9
9	0.2	9.2	9 plus 0.2
3.3	5	8.3	3.3 plus 5
1.1	6.1	7.2	1.1 plus 6.1