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how to divide decimals in your head

Multiply the whole number by the denominator, then add the result to the numerator to get the new numerator (e.g., 2 2/3 = 8/3). At the same time, move the decimal point in the dividend (the number youre dividing) the same number of places to the right.

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    Place a decimal point in the quotient (the answer) directly above where the decimal point now appears in the dividend.

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    Divide as usual, being careful to line up the quotient properly so that the decimal point falls into place.

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    Line up each digit in the quotient just over the last digit in the dividend used in that cycle.

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    As with whole-number division, sometimes decimal division doesnt work out evenly at the end. Russell, Deb. Welcome to A Complete Guide to Dividing Decimals with Mr. J! After you divide, you can check your work by multiplying the decimal by the denominator to get the numerator. Sort by: Top Voted Questions Tips & Thanks Want to join the conversation? After this step, we can divide 125 5 = 25. If you want to learn how to check your answers with multiplication, keep reading! The first step in dividing decimals is to remove the decimal point of the divisor by multiplying it with a power of 10. Now, we need to multiply the dividend with 10, so we get, 78.91 10 = 789.1. Sort by: Top Voted Kate the great 6 years ago 0:22 We just need to check if the divisor is a whole number or a decimal number. At the same time, move the decimal point in the dividend (9.345) two places to the right. Can you divide decimals without a calculator? At the same time, move the decimal point in the dividend (9.13) two places to the right:

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    The problem asks you to round the quotient to the nearest hundredth, so fill out the dividend with trailing zeros to three decimal places:

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    Now divide, carefully lining up the quotient:

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    Round the quotient to the nearest hundredth:

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    how to divide decimals in your head

    how to divide decimals in your head

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