15.4 Plus 123 Addition :

Number 1	Number 2	Answer
15.4	123	138.4

How to calculate 15.4 plus 123 ?

Let's break down the addition of 015.4 and 12300 step by step:

   015.4      <-- Start with the rightmost column
+  12300
---------

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

   015.4
+  12300
---------
     4


    Add the digits in the rightmost column:
        5 + 3 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   015.4
+  12300
---------
     8.4


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   015.4
+  12300
---------
     38.4


    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.

   015.4
+  12300
---------
     138.4

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

The final result is 138.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.5	130	145.5	15.5 plus 130
15.6	136	151.6	15.6 plus 136
15.7	141	156.7	15.7 plus 141
5.8	6.7	12.5	5.8 plus 6.7
7.6	2.7	10.3	7.6 plus 2.7
1	4.5	5.5	1 plus 4.5