4.5 Plus 4 Addition :

Number 1	Number 2	Answer
4.5	4	8.5

How to calculate 4.5 plus 4 ?

Let's break down the addition of 4.5 and 400 step by step:

   4.5      <-- Start with the rightmost column
+  400
---------

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

   4.5
+  400
---------
     5


    Add the digits in the rightmost column:
        4 + 4 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   4.5
+  400
---------
     8.5

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

The final result is 8.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.6	7	11.6	4.6 plus 7
4.7	13	17.7	4.7 plus 13
4.8	17	21.8	4.8 plus 17
1	4.7	5.7	1 plus 4.7
7	2.3	9.3	7 plus 2.3
9.9	7.9	17.8	9.9 plus 7.9