7.8 Plus 138.4 Addition :

Number 1	Number 2	Answer
7.8	138.4	146.2

How to calculate 7.8 plus 138.4 ?

Let's break down the addition of 007.8 and 138.4 step by step:

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

    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   007.8
+  138.4
---------
     2


    Add the digits in the rightmost column:
        7 + 8 + 1 = 16
        Write down 6 in the rightmost column, carry over 1 to the next column.

   007.8
+  138.4
---------
     6.2


    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.

   007.8
+  138.4
---------
     46.2


    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.

   007.8
+  138.4
---------
     146.2

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

The final result is 146.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	140.4	148.3	7.9 plus 140.4
8	143.4	151.4	8 plus 143.4
8.1	150.4	158.5	8.1 plus 150.4
9.1	5.5	14.6	9.1 plus 5.5
2.2	1.7	3.9	2.2 plus 1.7
7.7	4.7	12.4	7.7 plus 4.7