84.3 Plus 21 Addition :

Number 1	Number 2	Answer
84.3	21	105.3

How to calculate 84.3 plus 21 ?

Let's break down the addition of 84.3 and 2100 step by step:

   84.3      <-- 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.

   84.3
+  2100
---------
     3


    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.

   84.3
+  2100
---------
     5.3


    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.

   84.3
+  2100
---------
     05.3

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

The final result is 105.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
84.4	25	109.4	84.4 plus 25
84.5	34	118.5	84.5 plus 34
84.6	35	119.6	84.6 plus 35
8.4	5.6	14	8.4 plus 5.6
2.5	3.2	5.7	2.5 plus 3.2
4.5	8	12.5	4.5 plus 8