4.9 Plus 21 Addition :

Number 1	Number 2	Answer
4.9	21	25.9

How to calculate 4.9 plus 21 ?

Let's break down the addition of 04.9 and 2100 step by step:

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

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

   04.9
+  2100
---------
     9


    Add the digits in the rightmost column:
        4 + 1 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   04.9
+  2100
---------
     5.9


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

   04.9
+  2100
---------
     25.9

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

The final result is 25.9.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
5	27	32	5 plus 27
5.1	32	37.1	5.1 plus 32
5.2	33	38.2	5.2 plus 33
9.2	1.4	10.6	9.2 plus 1.4
5.8	8.6	14.4	5.8 plus 8.6
7.4	3	10.4	7.4 plus 3