4.2 Plus 9 Addition :

Number 1	Number 2	Answer
4.2	9	13.2

How to calculate 4.2 plus 9 ?

Let's break down the addition of 4.2 and 900 step by step:

   4.2      <-- Start with the rightmost column
+  900
---------

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

   4.2
+  900
---------
     2


    Add the digits in the rightmost column:
        4 + 9 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   4.2
+  900
---------
     3.2

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

The final result is 13.2.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	10	14.3	4.3 plus 10
4.4	12	16.4	4.4 plus 12
4.5	20	24.5	4.5 plus 20
8.5	1.2	9.7	8.5 plus 1.2
4.8	8.3	13.1	4.8 plus 8.3
3	6.5	9.5	3 plus 6.5