21.7 Plus 809 Addition :

Number 1	Number 2	Answer
21.7	809	830.7

How to calculate 21.7 plus 809 ?

Let's break down the addition of 021.7 and 80900 step by step:

   021.7      <-- Start with the rightmost column
+  80900
---------

    Add the digits in the rightmost column:
        7 + 0 + 0 = 7
        Write down 7 in the rightmost column, carry over 0 to the next column.

   021.7
+  80900
---------
     7


    Add the digits in the rightmost column:
        1 + 9 + 1 = 10
        Write down 0 in the rightmost column, carry over 1 to the next column.

   021.7
+  80900
---------
     0.7


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

   021.7
+  80900
---------
     30.7


    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.

   021.7
+  80900
---------
     830.7

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

The final result is 830.7.

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Number 1	Number 2	ANSWER:	HOW TO ?
21.8	813	834.8	21.8 plus 813
21.9	818	839.9	21.9 plus 818
22	824	846	22 plus 824
5.1	1.8	6.9	5.1 plus 1.8
9.1	5.9	15	9.1 plus 5.9
2.4	0.2	2.6	2.4 plus 0.2