23.8, 8.94, 0.078 and 214.6
First convert the given decimals into like decimals.
We get,
23.800, 8.940, 0.078 and 214.600
Write the addends on under the other in column form, keeping the decimal points of all the addends in the same column and the digits of the same place in the same column.
Writing these decimals in column from and adding, we get:
23.800
8.940
0.078
214.600
________________
247.418
________________
Hence, the sum of the given decimals is 247.418
