10.4 Plus 21 Addition :

Number 1	Number 2	Answer
10.4	21	31.4

How to calculate 10.4 plus 21 ?

Let's break down the addition of 10.4 and 2100 step by step:

   10.4      <-- Start with the rightmost column
+  2100
---------

    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.

   10.4
+  2100
---------
     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.

   10.4
+  2100
---------
     1.4


    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.

   10.4
+  2100
---------
     31.4

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

The final result is 31.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
10.5	24	34.5	10.5 plus 24
10.6	27	37.6	10.6 plus 27
10.7	36	46.7	10.7 plus 36
7.2	1.8	9	7.2 plus 1.8
1.6	5	6.6	1.6 plus 5
2.2	7.4	9.6	2.2 plus 7.4