What is an example of adding decimals?

This addition of decimals can be understood with the help of a simple example: 12.5 + 4.9. We can separate the decimals from the whole numbers. 12.5 + 4.9 = (12 + 0.5) + (4 + 0.9) = (12 + 4) + (0.5 + 0.9) = 16 + 1.4 = 16 + (1 + 0.4) = 17.4.

How do you add decimals math is fun?

Adding and Subtracting Decimals To add decimals, follow these steps: Write down the numbers, one under the other, with the decimal points lined up. Put in zeros so the numbers have the same length (see below for why that is OK) Then add, using column addition, remembering to put the decimal point in the answer.

What are the steps in adding or subtracting decimals?

TO ADD OR SUBTRACT DECIMALS: 1) Line up the decimal points vertically. Fill in any 0’s where necessary. 2) Add or subtract the numbers as if they were whole numbers. 3) Place the decimal point in the sum or difference so that it lines up vertically with the numbers being added or subtracted.

When adding decimals by hand you must?

To add decimals, follow these steps:

  1. Write down the numbers, one under the other, with the decimal points lined up.
  2. Put in zeros so the numbers have the same length (see below for why that is OK)
  3. Then add, using column addition, remembering to put the decimal point in the answer.

When adding or subtracting two decimals What is the first thing you must do?

When asked to add or subtract decimals, the most important step is to line up the decimal points. Step 1: Line up the decimal points so that similar place values are lined up. In other words, the tens place in both numbers should be lined up, the ones place in both numbers should be lined up, etc.

When adding two decimals line up the?

In order to keep the numbers in the proper place-value column when adding decimals, align the decimal points. This will keep the numbers aligned; ones to ones, tenths to tenths, hundredths to hundredths, and so on.