7.8 Plus 4.5 Addition :

Number 1	Number 2	Answer
7.8	4.5	12.3

How to calculate 7.8 plus 4.5 ?

Let's break down the addition of 7.8 and 4.5 step by step:

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

    Add the digits in the rightmost column:
        8 + 5 + 1 = 13
        Write down 3 in the rightmost column, carry over 1 to the next column.

   7.8
+  4.5
---------
     3


    Add the digits in the rightmost column:
        7 + 4 + 1 = 12
        Write down 2 in the rightmost column, carry over 1 to the next column.

   7.8
+  4.5
---------
     2.3

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

The final result is 12.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
7.9	6.5	14.4	7.9 plus 6.5
8	9.5	17.5	8 plus 9.5
8.1	17.5	25.6	8.1 plus 17.5
5.6	3.4	9	5.6 plus 3.4
2.2	9.3	11.5	2.2 plus 9.3
4.8	5.5	10.3	4.8 plus 5.5