1.5 Plus 21 Addition :

Number 1	Number 2	Answer
1.5	21	22.5

How to calculate 1.5 plus 21 ?

Let's break down the addition of 01.5 and 2100 step by step:

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

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

   01.5
+  2100
---------
     5


    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.

   01.5
+  2100
---------
     2.5


    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.

   01.5
+  2100
---------
     22.5

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

The final result is 22.5.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.6	29	30.6	1.6 plus 29
1.7	34	35.7	1.7 plus 34
1.8	43	44.8	1.8 plus 43
5.4	7.1	12.5	5.4 plus 7.1
8	6	14	8 plus 6
1.9	2.5	4.4	1.9 plus 2.5