21.7 Plus 121 Addition :

Number 1	Number 2	Answer
21.7	121	142.7

How to calculate 21.7 plus 121 ?

Let's break down the addition of 021.7 and 12100 step by step:

   021.7      <-- Start with the rightmost column
+  12100
---------

    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
+  12100
---------
     7


    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.

   021.7
+  12100
---------
     2.7


    Add the digits in the rightmost column:
        2 + 2 + 0 = 4
        Write down 4 in the rightmost column, carry over 0 to the next column.

   021.7
+  12100
---------
     42.7


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

   021.7
+  12100
---------
     142.7

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

The final result is 142.7.

Similar Summation Operations :

Number 1	Number 2	ANSWER:	HOW TO ?
21.8	124	145.8	21.8 plus 124
21.9	132	153.9	21.9 plus 132
22	139	161	22 plus 139
7.7	3	10.7	7.7 plus 3
9.5	1	10.5	9.5 plus 1
9.6	1.6	11.2	9.6 plus 1.6