Convert 58% to Its Equivalent Decimal and Fractional Forms

Percentage Conversions with Fraction Simplification

The percentage 58% is equal to:

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Convert from percentages to fractions
00:05 The percentage equals a fraction where the numerator is the percentage (X) and the denominator is 100
00:10 Apply this formula to our exercise
00:23 Break down 58 into factors of 29 and 2, and 100 into factors of 50 and 2
00:27 Reduce wherever possible
00:33 This is the solution

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

The percentage 58% is equal to:

2

Step-by-step solution

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

  • Step 1: Convert the percentage to a fraction.
  • Step 2: Simplify the fraction.
  • Step 3: Compare the simplified fraction with the choices provided.

Now, let's work through each step:
Step 1: We convert 58% to a fraction by expressing it as 58100 \frac{58}{100} .
Step 2: Next, we simplify 58100 \frac{58}{100} . The greatest common divisor (GCD) of 58 and 100 is 2. Dividing both the numerator and the denominator by 2 gives us:

58÷2100÷2=2950 \frac{58 \div 2}{100 \div 2} = \frac{29}{50}

This is the simplest form.

Step 3: Compare 2950 \frac{29}{50} with the choices provided. The correct choice is:

2950 \frac{29}{50}

3

Final Answer

2950 \frac{29}{50}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Convert percentage to fraction by placing over 100
  • Technique: Find GCD of 58 and 100 which equals 2
  • Check: Verify 2950=0.58=58% \frac{29}{50} = 0.58 = 58\%

Common Mistakes

Avoid these frequent errors
  • Forgetting to simplify the fraction
    Don't leave 58100 \frac{58}{100} as your final answer = wrong choice selected! The fraction must be in simplest form to match the given options. Always find the GCD and divide both numerator and denominator by it.

Practice Quiz

Test your knowledge with interactive questions

Convert the fraction into a percentage:

\( \frac{2}{100}=\text{?} \)

FAQ

Everything you need to know about this question

How do I know when a fraction is fully simplified?

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A fraction is simplified when the GCD of the numerator and denominator is 1. For 2950 \frac{29}{50} , since 29 is prime and doesn't divide 50, the GCD is 1.

What if I can't find the GCD easily?

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Try dividing both numbers by small primes like 2, 3, 5. For 58 and 100: both are even, so divide by 2 to get 2950 \frac{29}{50} . Since 29 is prime, you're done!

Can I convert to decimal first then to fraction?

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Yes! 58% = 0.58 = 58100 \frac{58}{100} . But you'll still need to simplify the fraction, so going directly from percentage often saves a step.

How do I check if my fraction equals the original percentage?

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Convert your fraction back to decimal: 2950=29÷50=0.58=58% \frac{29}{50} = 29 ÷ 50 = 0.58 = 58\% . If it matches the original percentage, you're correct!

Why can't I just leave it as 58/100?

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Multiple choice questions require the simplest form. 58100 \frac{58}{100} and 2950 \frac{29}{50} are equal, but only the simplified version will be among the answer choices.

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