8.3 Plus 4.2 Addition :

Number 1	Number 2	Answer
8.3	4.2	12.5

How to calculate 8.3 plus 4.2 ?

Let's break down the addition of 8.3 and 4.2 step by step:

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

    Add the digits in the rightmost column:
        3 + 2 + 0 = 5
        Write down 5 in the rightmost column, carry over 0 to the next column.

   8.3
+  4.2
---------
     5


    Add the digits in the rightmost column:
        8 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   8.3
+  4.2
---------
     2.5

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

The final result is 12.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
8.4	10.2	18.6	8.4 plus 10.2
8.5	19.2	27.7	8.5 plus 19.2
8.6	22.2	30.8	8.6 plus 22.2
5	8.4	13.4	5 plus 8.4
9	3.7	12.7	9 plus 3.7
9.8	4	13.8	9.8 plus 4