how to add decimals with whole numbers

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How to Add Decimals with Whole Numbers

Adding decimals with whole numbers is simple once you understand the process. Here’s a step-by-step guide:

Step 1: Align the Numbers by the Decimal Point

  • Write the whole number and the decimal number one under the other.
  • Place the decimal points in a vertical line.
  • If the whole number doesn’t have a decimal point, you can imagine it as having one at the end (e.g., 5 = 5.0).

Step 2: Add Zeros if Needed

  • To make addition easier, add zeros to the right of the decimal number so both numbers have the same number of decimal places.
  • For example, if you are adding 5 + 3.75, write 5.00 + 3.75.

Step 3: Add as You Would with Whole Numbers

  • Start adding from the rightmost digit (the smallest decimal place).
  • Move left, adding digits column by column.
  • Don’t forget to carry over if the sum exceeds 9.

Step 4: Place the Decimal Point in the Answer

  • The decimal point in the answer should be directly below the decimal points in the numbers you are adding.

Example:

Add 7 + 4.56

  7.00
+ 4.56
------
 11.56

Answer: 11.56

Tips:

  • Remember, whole numbers can be treated as decimals with a zero decimal part.
  • Always line up decimal points to avoid mistakes.

If you want, I can provide more examples or practice problems!