80.4 Plus 21 Addition :

Number 1	Number 2	Answer
80.4	21	101.4

How to calculate 80.4 plus 21 ?

Let's break down the addition of 80.4 and 2100 step by step:

   80.4      <-- 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.

   80.4
+  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.

   80.4
+  2100
---------
     1.4


    Add the digits in the rightmost column:
        8 + 2 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   80.4
+  2100
---------
     01.4

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

The final result is 101.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
80.5	25	105.5	80.5 plus 25
80.6	26	106.6	80.6 plus 26
80.7	33	113.7	80.7 plus 33
7.5	0.9	8.4	7.5 plus 0.9
1.4	1.8	3.2	1.4 plus 1.8
7.2	2.7	9.9	7.2 plus 2.7