1.8 Plus 80 Addition :

Number 1	Number 2	Answer
1.8	80	81.8

How to calculate 1.8 plus 80 ?

Let's break down the addition of 01.8 and 8000 step by step:

   01.8      <-- Start with the rightmost column
+  8000
---------

    Add the digits in the rightmost column:
        8 + 0 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   01.8
+  8000
---------
     8


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

   01.8
+  8000
---------
     1.8


    Add the digits in the rightmost column:
        0 + 8 + 0 = 8
        Write down 8 in the rightmost column, carry over 0 to the next column.

   01.8
+  8000
---------
     81.8

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

The final result is 81.8.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
1.9	88	89.9	1.9 plus 88
2	93	95	2 plus 93
2.1	96	98.1	2.1 plus 96
4.2	6.4	10.6	4.2 plus 6.4
1.4	7.3	8.7	1.4 plus 7.3
9.9	1.3	11.2	9.9 plus 1.3