Visual Representation of the Fraction 8/40: Match the Correct Diagram

Fraction Simplification with Circle Diagrams

Choose the option that visually represents the following fraction:

840 \frac{8}{40}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Choose the correct visual representation for the given fraction
00:03 First, let's reduce what we can from the given fraction
00:14 In black, we see the number of parts into which the whole is divided
00:19 The given part is colored in red, meaning the numerator
00:25 For each option, we'll find the mathematical representation and choose the appropriate one
00:53 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

Choose the option that visually represents the following fraction:

840 \frac{8}{40}

2

Step-by-step solution

To solve this problem, follow these steps:

  • Step 1: Simplify the fraction 840 \frac{8}{40} .
  • Step 2: Visualize this fraction using the provided options.
  • Step 3: Select the diagram that accurately represents the simplest form of the fraction.

Now, let's go through each step in detail:
Step 1: Simplify the fraction 840 \frac{8}{40} .
- The GCD of 8 and 40 is 8.
- Simplify: 840=8÷840÷8=15 \frac{8}{40} = \frac{8 \div 8}{40 \div 8} = \frac{1}{5} .

Step 2: Visualize 15 \frac{1}{5} on a circle.
- A circle divided into 5 equal sections, where 1 section is shaded, represents 15 \frac{1}{5} .

Step 3: Compare with the given options.
- Look for the option that shows a circle divided into 5 equal parts with 1 part shaded.

The correct visual representation of 840 \frac{8}{40} (or 15 \frac{1}{5} ) is Option 2, which visually displays this as one out of five equal parts shaded in a circle.

Therefore, the solution to the problem is Option 2.

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Final Answer

Key Points to Remember

Essential concepts to master this topic
  • Simplify First: Always reduce fractions to lowest terms before visualizing
  • GCD Method: Find GCD of 8 and 40, which is 8, then divide both parts
  • Visual Check: Count equal parts - 5 sections total with 1 shaded confirms 15 \frac{1}{5}

Common Mistakes

Avoid these frequent errors
  • Trying to visualize the original fraction without simplifying
    Don't try to draw 8 out of 40 parts directly = unnecessarily complex diagram! This makes it nearly impossible to see the correct visual pattern. Always simplify 840 \frac{8}{40} to 15 \frac{1}{5} first, then look for 1 shaded part out of 5 total parts.

Practice Quiz

Test your knowledge with interactive questions

Write the fraction as a mixed number:

\( \frac{10}{7}= \)

FAQ

Everything you need to know about this question

Why do I need to simplify 840 \frac{8}{40} before looking at the diagrams?

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Simplifying makes visualization much easier! Instead of trying to identify 8 out of 40 tiny sections, you can easily spot 1 out of 5 equal parts. The diagrams show simple divisions, not complex ones.

How do I find the GCD of 8 and 40 quickly?

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List the factors: 8: 1, 2, 4, 8 and 40: 1, 2, 4, 5, 8, 10, 20, 40. The largest common factor is 8, so divide both numbers by 8.

What should I look for in the circle diagrams?

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Look for a circle divided into 5 equal sections with exactly 1 section shaded. This represents 15 \frac{1}{5} , which is the simplified form of your original fraction.

Are 840 \frac{8}{40} and 15 \frac{1}{5} really the same?

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Yes! They're equivalent fractions. You can verify: 15=1×85×8=840 \frac{1}{5} = \frac{1 \times 8}{5 \times 8} = \frac{8}{40} . They represent the exact same portion of a whole.

What if none of the diagrams look like 1/5 to me?

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Count carefully! Look for diagrams with exactly 5 equal sections (not 4, not 8). Then check that only 1 section is shaded red. The lines dividing the circle will help you count the sections.

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