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How to Divide Decimals

January 28, 2024 by admin Category: How To

You are viewing the article How to Divide Decimals  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

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The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

This article has been viewed 5,483 times.

If a few decimal places make division difficult, you can simply shorten the process by passing commas. After passing the decimal point of the divisor, the problem becomes integer division. It’s important that you don’t forget to convert the decimal point at the same time. After double-checking and making sure the commas are in place, you can do the math to find the final answer.

Table of Contents

  • Steps
    • Divide decimals
    • Check the result

Steps

Divide decimals

Image titled Divide Decimals Step 1

Image titled Divide Decimals Step 1

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Determine the divisor. This is the number to be divided by. For example, if you have the math 22.5 ÷ 15.2, then 15.2 is the divisor. When writing math operations on scratch paper, the divisor will be the number to the right of the divider. [1] X Research Source
Image titled Divide Decimals Step 2

Image titled Divide Decimals Step 2

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Determine the number to be divided. The divisor is the number that precedes the division sign. For example, in the operation 22.5 ÷ 15.2, 22.5 is the divisor. [2] X Research Source

  • When writing math operations on scratch paper, the number to be divided will be the number to the left of the divider.
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Image titled Divide Decimals Step 3

Image titled Divide Decimals Step 3

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Do the math to find the quotient. When the divisor is divided by the divisor, the answer you find is called the quotient. The quotient is usually written below the divisor in the division box.

  • For example, the quotient of 22.5 ÷ 15.2 is 1.48.

Check the result

Image titled Divide Decimals Step 4

Image titled Divide Decimals Step 4

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Move the comma if the divisor is a decimal. If the divisor is a decimal, move the comma to the right until it becomes an integer. For example, if the divisor is 0.05, you need to move the comma 2 units to the right to get 5. [3] X Research Source

  • If there is more than 1 number after the comma, keep moving the comma until the decimal is rounded to an integer. For example, with 43.52, you need to move the comma 2 units to the right to get 4352.
  • If the divisor is an integer, you don’t need to pass commas.
Image titled Divide Decimals Step 5

Image titled Divide Decimals Step 5

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Move the decimal point of the divisor (if necessary). If the divisor’s comma has been moved, you’ll need to move the divisor’s comma in the same way. When moving the comma to the right, but there are not enough digits, we see how many digits are missing, so many 0. [4] X Research sources

  • For example, with the operation 4.5 ÷ 0.05, after moving the comma to the right 2 units, we have 450 ÷ 5.
  • You should rewrite the topic to avoid making simple mistakes.
Image titled Divide Decimals Step 6

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Image titled Divide Decimals Step 6

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Here is a rough calculation tip and you can apply more if you are careful (optional). On scratch paper, move the comma to the upper right of the split in the divider. Place a comma just above the previously moved position. [5] X Research Sources

  • In the example, if you moved the comma 2 units to the right, now place a comma just above the 0 of 450.
Image titled Divide Decimals Step 7

Image titled Divide Decimals Step 7

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Perform division as usual. Perform integer division from left to right to find the quotient. Write the quotient below the divisor in the division box.

  • For example, since 4 is not divisible by 5, we take 45 ÷ 5 = 9. Write 9 in the lower right of the division box, followed by the zero and comma of the previous divisor. Although the results need to be shortened in the end, this rough calculation will help you avoid confusion.
  • Image titled Divide Decimals Step 8

    Image titled Divide Decimals Step 8

    {“smallUrl”:”https://www.wikihow.com/images_en/thumb/0/0e/Divide-Decimals-Step-8.jpg/v4-728px-Divide-Decimals-Step-8.jpg”,” bigUrl”:”https://www.wikihow.com/images/thumb/0/0e/Divide-Decimals-Step-8.jpg/v4-728px-Divide-Decimals-Step-8.jpg”,”smallWidth” :460,”smallHeight”:345,”bigWidth”:728,”bigHeight”:546,”licensing”:”<div class=”mw-parser-output”></div>”}
    Do the multiplication to double check the division. To be sure of the answer, you can multiply the quotient by the original divisor. If you calculate it correctly, the product of this multiplication is the original divisor.

    • For example, to check if the math 4.5 ÷ 0.05 = 90 is correct, take 90 x 0.05 = 4.5. So 90 is the correct result.
  • X

    This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

    The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

    READ More:   How to Run Faster

    This article has been viewed 5,483 times.

    If a few decimal places make division difficult, you can simply shorten the process by passing commas. After passing the decimal point of the divisor, the problem becomes integer division. It’s important that you don’t forget to convert the decimal point at the same time. After double-checking and making sure the commas are in place, you can do the math to find the final answer.

    Thank you for reading this post How to Divide Decimals at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

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