6.4 Plus 138.9 Addition :

Number 1	Number 2	Answer
6.4	138.9	145.3

How to calculate 6.4 plus 138.9 ?

Let's break down the addition of 006.4 and 138.9 step by step:

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

    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   006.4
+  138.9
---------
     3


    Add the digits in the rightmost column:
        6 + 8 + 1 = 15
        Write down 5 in the rightmost column, carry over 1 to the next column.

   006.4
+  138.9
---------
     5.3


    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.

   006.4
+  138.9
---------
     45.3


    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.

   006.4
+  138.9
---------
     145.3

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

The final result is 145.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
6.5	144.9	151.4	6.5 plus 144.9
6.6	145.9	152.5	6.6 plus 145.9
6.7	151.9	158.6	6.7 plus 151.9
7.7	3.8	11.5	7.7 plus 3.8
0.7	9.7	10.4	0.7 plus 9.7
1.6	9	10.6	1.6 plus 9