4.5 Plus 15.9 Addition :

Number 1	Number 2	Answer
4.5	15.9	20.4

How to calculate 4.5 plus 15.9 ?

Let's break down the addition of 04.5 and 15.9 step by step:

   04.5      <-- Start with the rightmost column
+  15.9
---------

    Add the digits in the rightmost column:
        5 + 9 + 1 = 14
        Write down 4 in the rightmost column, carry over 1 to the next column.

   04.5
+  15.9
---------
     4


    Add the digits in the rightmost column:
        4 + 5 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   04.5
+  15.9
---------
     0.4


    Add the digits in the rightmost column:
        0 + 1 + 0 = 2
        Write down 2 in the rightmost column, carry over 0 to the next column.

   04.5
+  15.9
---------
     20.4

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

The final result is 20.4.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
4.6	20.9	25.5	4.6 plus 20.9
4.7	29.9	34.6	4.7 plus 29.9
4.8	32.9	37.7	4.8 plus 32.9
7.8	4.7	12.5	7.8 plus 4.7
2.1	4.8	6.9	2.1 plus 4.8
2.2	7.3	9.5	2.2 plus 7.3