2.1 Plus 0.9 Addition :

Number 1	Number 2	Answer
2.1	0.9	3

How to calculate 2.1 plus 0.9 ?

Let's break down the addition of 2.1 and 0.9 step by step:

   2.1      <-- Start with the rightmost column
+  0.9
---------

    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   2.1
+  0.9
---------
     0


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

   2.1
+  0.9
---------
     3.0

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

The final result is 3.0.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
2.2	5.9	8.1	2.2 plus 5.9
2.3	13.9	16.2	2.3 plus 13.9
2.4	22.9	25.3	2.4 plus 22.9
0.8	7	7.8	0.8 plus 7
7	1.6	8.6	7 plus 1.6
9.8	7	16.8	9.8 plus 7