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	28	30.4	2.4 plus 28
2.5	30	32.5	2.5 plus 30
2.6	31	33.6	2.6 plus 31
5	8.1	13.1	5 plus 8.1
7.7	0.7	8.4	7.7 plus 0.7
8.5	0.6	9.1	8.5 plus 0.6