15.3 Plus 21 Addition :

Number 1	Number 2	Answer
15.3	21	36.3

How to calculate 15.3 plus 21 ?

Let's break down the addition of 15.3 and 2100 step by step:

   15.3      <-- Start with the rightmost column
+  2100
---------

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

   15.3
+  2100
---------
     3


    Add the digits in the rightmost column:
        5 + 1 + 0 = 6
        Write down 6 in the rightmost column, carry over 0 to the next column.

   15.3
+  2100
---------
     6.3


    Add the digits in the rightmost column:
        1 + 2 + 0 = 3
        Write down 3 in the rightmost column, carry over 0 to the next column.

   15.3
+  2100
---------
     36.3

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

The final result is 36.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
15.4	30	45.4	15.4 plus 30
15.5	37	52.5	15.5 plus 37
15.6	45	60.6	15.6 plus 45
3.9	8	11.9	3.9 plus 8
2.5	4.9	7.4	2.5 plus 4.9
7.5	4.2	11.7	7.5 plus 4.2