10.4 Plus 380.5 Addition :

Number 1	Number 2	Answer
10.4	380.5	390.9

How to calculate 10.4 plus 380.5 ?

Let's break down the addition of 010.4 and 380.5 step by step:

   010.4      <-- Start with the rightmost column
+  380.5
---------

    Add the digits in the rightmost column:
        4 + 5 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   010.4
+  380.5
---------
     9


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

   010.4
+  380.5
---------
     0.9


    Add the digits in the rightmost column:
        1 + 8 + 0 = 9
        Write down 9 in the rightmost column, carry over 0 to the next column.

   010.4
+  380.5
---------
     90.9


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

   010.4
+  380.5
---------
     390.9

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

The final result is 390.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	386.5	397	10.5 plus 386.5
10.6	392.5	403.1	10.6 plus 392.5
10.7	401.5	412.2	10.7 plus 401.5
8.1	1.9	10	8.1 plus 1.9
3.2	0.8	4	3.2 plus 0.8
7.4	1.5	8.9	7.4 plus 1.5