Express 6.12 in Different Mathematical Forms: Decimal Analysis

Decimal to Mixed Number Conversion

6.12= 6.12=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Convert to mixed fraction
00:03 Break down the number into whole number and remainder
00:08 Convert the remainder to a fraction
00:20 Reduce the fraction, make sure to divide both numerator and denominator
00:27 Add to mixed fraction
00:33 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

6.12= 6.12=

2

Step-by-step solution

To solve this problem, we'll follow these steps:

  • Step 1: Convert the decimal 0.120.12 to a fraction with 100100 as the denominator.
  • Step 2: Simplify the resulting fraction 12100\frac{12}{100}.
  • Step 3: Combine this simplified fraction with the whole number 66 to form a mixed number.

Now, let's work through each step:

Step 1: The decimal 0.120.12 is equivalent to the fraction 12100\frac{12}{100}. We recognize this because the decimal is read as twelve hundredths.
Step 2: Simplify 12100\frac{12}{100}. Find the greatest common divisor (GCD) of 12 and 100, which is 4. Divide both the numerator and the denominator by 4:
12÷4100÷4=325\frac{12 \div 4}{100 \div 4} = \frac{3}{25}.
Step 3: Combine 325\frac{3}{25} with the whole number 6 to form the mixed number 63256\frac{3}{25}.

Therefore, the solution to the problem is 63256\frac{3}{25}.

3

Final Answer

6325 6\frac{3}{25}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Express decimal part as fraction over appropriate power of 10
  • Technique: Convert 0.12 to 12/100, then simplify by dividing by GCD 4
  • Check: Verify 6 3/25 = 6 + 3/25 = 6.12 ✓

Common Mistakes

Avoid these frequent errors
  • Not simplifying the fraction to lowest terms
    Don't leave 12/100 unsimplified = wrong final answer! The fraction must be reduced or you'll select 6 12/100 instead of the correct simplified form. Always find the GCD and divide both numerator and denominator by it.

Practice Quiz

Test your knowledge with interactive questions

Convert into fraction form:

\( 0.38= \)

FAQ

Everything you need to know about this question

How do I know what denominator to use for the decimal part?

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Count the decimal places! 0.12 has 2 decimal places, so use 100 (which is 10²). For 3 decimal places, use 1000, and so on.

What if I can't find the GCD easily?

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Try dividing by small numbers like 2, 3, 4, 5 first. For 12100 \frac{12}{100} , both numbers are even, so divide by 2 to get 650 \frac{6}{50} , then by 2 again to get 325 \frac{3}{25} .

Can I convert the whole mixed number to an improper fraction?

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Yes! 6325=15325 6\frac{3}{25} = \frac{153}{25} , but the question asks for mixed number form, so keep it as 6325 6\frac{3}{25} .

How do I check if my mixed number equals the original decimal?

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Convert back: 6325=6+325=6+0.12=6.12 6\frac{3}{25} = 6 + \frac{3}{25} = 6 + 0.12 = 6.12 . If you get the original decimal, you're correct!

What if the decimal doesn't simplify nicely?

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Some decimals like 0.13 give fractions that don't simplify much (13100 \frac{13}{100} ). That's okay! Always check if you can simplify, but don't force it if the GCD is 1.

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