Convert Fraction 15/4 to Mixed Number: Step-by-Step Solution

Improper Fractions with Division Method

Write the fraction as a mixed number:

154= \frac{15}{4}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Write as a mixed fraction
00:03 Break down 15 into 12 plus 3
00:08 Break into whole fraction and remainder
00:15 Convert from whole fraction to whole number, and combine with mixed fraction
00:24 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

Write the fraction as a mixed number:

154= \frac{15}{4}=

2

Step-by-step solution

To solve the problem of converting the improper fraction 154 \frac{15}{4} into a mixed number, we follow these steps:

  • Step 1: Perform division 15÷4 15 \div 4 .
  • Step 2: Identify the quotient and the remainder.
  • Step 3: Construct the mixed number using whole number from quotient and remainder for fractional part.

Let's work through these steps:

Step 1: Divide the numerator by the denominator. Here, 15÷4=3 15 \div 4 = 3 with a remainder of 3. This means 4 goes into 15 a total of 3 times, and there are 3 remainder.

Step 2: The quotient from the division is the whole number part of the mixed number. Hence, the whole number part is 3.

Step 3: The remainder becomes the numerator of the fractional part. The denominator remains the same as the original fraction. Therefore, the fractional part is 34 \frac{3}{4} .

Putting it all together, the mixed number is 334 3 \frac{3}{4} .

Thus, the fraction 154 \frac{15}{4} as a mixed number is 334\mathbf{3 \frac{3}{4}} .

3

Final Answer

334 3\frac{3}{4}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Divide numerator by denominator to find whole number part
  • Technique: Use remainder as new numerator: 15 ÷ 4 = 3 remainder 3
  • Check: Verify by converting back: 3×4+3=15 3 \times 4 + 3 = 15

Common Mistakes

Avoid these frequent errors
  • Using the quotient as both whole number and remainder
    Don't write the quotient 3 as both the whole number and the remainder = 333 3\frac{3}{3} ! This ignores the actual remainder from division. Always use the true remainder (3) as the numerator of the fractional part.

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

How do I know when a fraction is improper?

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A fraction is improper when the numerator is larger than or equal to the denominator. Like 154 \frac{15}{4} - since 15 > 4, it's improper and can be converted to a mixed number.

What if there's no remainder when I divide?

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If there's no remainder, you get a whole number instead of a mixed number! For example, 124=3 \frac{12}{4} = 3 with no fractional part.

Do I need to simplify the fractional part?

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Yes! Always check if the fractional part can be simplified. If 34 \frac{3}{4} cannot be reduced further, you're done. But 68 \frac{6}{8} should become 34 \frac{3}{4} .

Can I use long division for this?

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Absolutely! Long division is perfect for this. Set up 15 ÷ 4, find the quotient (3) and remainder (3), then write as 334 3\frac{3}{4} .

How do I check if my mixed number is correct?

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Convert back to improper fraction: multiply whole number by denominator, add numerator. 3×4+3=15 3 \times 4 + 3 = 15 , so 154 \frac{15}{4}

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