1.3 Plus 21 Addition :

Number 1	Number 2	Answer
1.3	21	22.3

How to calculate 1.3 plus 21 ?

Let's break down the addition of 01.3 and 2100 step by step:

   01.3      <-- 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.

   01.3
+  2100
---------
     3


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

   01.3
+  2100
---------
     2.3


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

   01.3
+  2100
---------
     22.3

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

The final result is 22.3.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.4	27	28.4	1.4 plus 27
1.5	32	33.5	1.5 plus 32
1.6	34	35.6	1.6 plus 34
7.2	8	15.2	7.2 plus 8
7.8	7.1	14.9	7.8 plus 7.1
9	1.2	10.2	9 plus 1.2