10.4 Plus 428.5 Addition :

Number 1	Number 2	Answer
10.4	428.5	438.9

How to calculate 10.4 plus 428.5 ?

Let's break down the addition of 010.4 and 428.5 step by step:

   010.4      <-- Start with the rightmost column
+  428.5
---------

    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
+  428.5
---------
     9


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

   010.4
+  428.5
---------
     8.9


    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.

   010.4
+  428.5
---------
     38.9


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

   010.4
+  428.5
---------
     438.9

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

The final result is 438.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	437.5	448	10.5 plus 437.5
10.6	446.5	457.1	10.6 plus 446.5
10.7	452.5	463.2	10.7 plus 452.5
0.2	7.5	7.7	0.2 plus 7.5
1.3	3	4.3	1.3 plus 3
7	7.5	14.5	7 plus 7.5