1. Set up the long addition.
2 3 . 7 0
1 . 9 5
2 . 3 0
_________
2. Calculate 0 + 5 + 0, which is 5.
2 3 . 7 0
1 . 9 5
2 . 3 0
_________
5
3. Calculate 7 + 9 + 3, which is 19.
Since 19 is two-digit, we carry the first digit 1 to the next column.
1
2 3 . 7 0
1 . 9 5
2 . 3 0
_________
9 5
4. Calculate 3 + 1 + 2, which is 6. Now add the carry digit of 1, which is 7.
1
2 3 . 7 0
1 . 9 5
2 . 3 0
_________
7 . 9 5
5. Calculate 2 + 0 + 0, which is 2.
1
2 3 . 7 0
1 . 9 5
2 . 3 0
_________
2 7 . 9 5
6. Therefore, 23.7 + 1.95 + 2.3 = 27.95
27.95
