45.4 Plus 21 Addition :

Number 1	Number 2	Answer
45.4	21	66.4

How to calculate 45.4 plus 21 ?

Let's break down the addition of 45.4 and 2100 step by step:

   45.4      <-- 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.

   45.4
+  2100
---------
     4


    Add the digits in the rightmost column:
        5 + 1 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   45.4
+  2100
---------
     6.4


    Add the digits in the rightmost column:
        4 + 2 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   45.4
+  2100
---------
     66.4

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

The final result is 66.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
45.5	27	72.5	45.5 plus 27
45.6	36	81.6	45.6 plus 36
45.7	44	89.7	45.7 plus 44
5.5	6.4	11.9	5.5 plus 6.4
4.4	3.7	8.1	4.4 plus 3.7
8	3.8	11.8	8 plus 3.8