How to Add Decimals: 8 Steps
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Adding decimals may seem like a daunting task, but with a few simple steps and some practice, you’ll be able to master this essential skill in no time.
Follow these 8 steps to add decimals with ease:
1. Identify the decimal numbers: Read the problem carefully and identify the decimal numbers you need to add together.
2. Line up the decimals: To keep the decimal places organized, write the numbers vertically on a sheet of paper or in your math notebook. Ensure their decimal points are aligned vertically.
3. Fill in missing decimal places with zeroes: Add zeroes after the last digit of each number to make them have equal decimal places. For example, if you have 5.3 and 5.53, rewrite it as 5.30 and 5.53 to make them both have two decimal places.
4. Add whole number parts separately from fractional parts: Before combining the numbers, add the whole number parts separately from the fractional (decimal) parts.
5. Start with the rightmost column: Begin by adding the numbers in the rightmost column–the smallest place value (the hundredths place in our example). Proceed as you would with regular addition, carrying over any values greater than nine.
6. Continue moving left: After completing the rightmost column, move leftward and repeat the process for each subsequent column until there are no more columns remaining.
7. Bring down the decimal point: In your final answer, make sure that you place a decimal point directly below those of the original numbers you added together. This will ensure that your answer has correct decimal alignment.
8. Simplify your answer (if necessary): If your final result has trailing zeroes after decimals like 7.50 or unnecessary leading zeroes like 009.75, remove them to simplify your answer—resulting in 7.5 and 9.75 respectively.
By following these eight steps, you can add decimal numbers accurately and efficiently. Remember to practice consistently to hone your skills and develop a solid understanding of decimal addition.