Convert 5.005 to Fraction: Decimal-to-Fraction Transformation

Decimal-to-Fraction with Thousandths Place

Convert 5.005 into a fraction.

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Convert to a complex fraction
00:03 Convert to a complex fraction
00:06 The denominator depends on the number of digits after the decimal point
00:09 There are 3 digits, so the denominator will be 1000
00:22 Place the digits as a whole number in the numerator
00:28 Break down 5005 into 5000 plus 5
00:40 Break down the fraction into 2 fractions, the whole fraction and remainder
00:51 Reduce what we can
01:01 Combine into a complex fraction
01:08 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Convert 5.005 into a fraction.

2

Step-by-step solution

To convert the decimal number 5.005 into a fraction, we follow these steps:

Step 1: Identify the whole number and the decimal part.

The given number is 5.005, where 5 is the whole number, and 0.005 is the decimal part.

Step 2: Convert the decimal part to a fraction.

The decimal 0.005 can be expressed as the fraction 51000 \frac{5}{1000} . This is because 0.005 is equivalent to 5 thousandths.

Step 3: Combine the whole number and the decimal fraction.

The combined mixed number is 551000 5\frac{5}{1000} .

Thus, the decimal number 5.005 as a mixed number in fraction form is 551000 5\frac{5}{1000} .

3

Final Answer

551000 5\frac{5}{1000}

Key Points to Remember

Essential concepts to master this topic
  • Place Value: Identify decimal places to determine the denominator
  • Technique: 0.005 = 5/1000 because 5 is in thousandths place
  • Check: Convert back: 5 5/1000 = 5.005 ✓

Common Mistakes

Avoid these frequent errors
  • Using wrong denominator based on decimal digits
    Don't count decimal digits and use 10^digits = 5/100! This ignores place value and gives 5.05 instead of 5.005. Always identify the rightmost decimal place: thousandths means denominator 1000.

Practice Quiz

Test your knowledge with interactive questions

Write the following fraction as a decimal:

\( \frac{5}{100}= \)

FAQ

Everything you need to know about this question

How do I know what denominator to use?

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Look at the rightmost digit's place value! In 5.005, the last 5 is in the thousandths place, so use 1000 as your denominator. The decimal 0.005 becomes 51000 \frac{5}{1000} .

Why isn't the answer 5 5/100?

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Because 55100 5\frac{5}{100} equals 5.05, not 5.005! The extra zero in 5.005 puts the 5 in the thousandths place, not hundredths.

Do I need to simplify the fraction?

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Yes, if possible! 51000 \frac{5}{1000} can be simplified by dividing both numerator and denominator by their GCD of 5, giving 1200 \frac{1}{200} .

What if there are more decimal places?

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The same rule applies! Count the decimal places to find your denominator: 1 place = 10, 2 places = 100, 3 places = 1000, and so on.

How can I check my answer is correct?

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Convert your mixed number back to a decimal by dividing: 551000=5+51000=5+0.005=5.005 5\frac{5}{1000} = 5 + \frac{5}{1000} = 5 + 0.005 = 5.005

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