2.3 Plus 21 Addition :

Number 1	Number 2	Answer
2.3	21	23.3

How to calculate 2.3 plus 21 ?

Let's break down the addition of 02.3 and 2100 step by step:

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

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

   02.3
+  2100
---------
     3


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

   02.3
+  2100
---------
     3.3


    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.

   02.3
+  2100
---------
     23.3

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

The final result is 23.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.4	25	27.4	2.4 plus 25
2.5	26	28.5	2.5 plus 26
2.6	28	30.6	2.6 plus 28
5.9	1.2	7.1	5.9 plus 1.2
0.8	1.2	2	0.8 plus 1.2
5	0.3	5.3	5 plus 0.3