4.2 Plus 4.5 Addition :

Number 1	Number 2	Answer
4.2	4.5	8.7

How to calculate 4.2 plus 4.5 ?

Let's break down the addition of 4.2 and 4.5 step by step:

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

    Add the digits in the rightmost column:
        2 + 5 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   4.2
+  4.5
---------
     7


    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.

   4.2
+  4.5
---------
     8.7

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

The final result is 8.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.3	13.5	17.8	4.3 plus 13.5
4.4	16.5	20.9	4.4 plus 16.5
4.5	18.5	23	4.5 plus 18.5
7.6	0.4	8	7.6 plus 0.4
6.4	1.5	7.9	6.4 plus 1.5
9.1	1.2	10.3	9.1 plus 1.2