Solve: (3/5 ÷ 5/6) + 1/5 - Mixed Fraction Operations

Mixed Operations with Fraction Division

Solve the following exercise:

35:56+15=? \frac{3}{5}:\frac{5}{6}+\frac{1}{5}=\text{?}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Instead of division, we'll use multiplication by reciprocal
00:09 Flip between the numerator and denominator of the fraction
00:15 Make sure to multiply numerator with numerator and denominator with denominator
00:24 Calculate the multiplications
00:30 Now multiply this fraction by 5 to find the common denominator
00:41 Make sure to multiply both numerator and denominator
00:48 Calculate the multiplications
00:56 Divide by the common denominator
01:02 Calculate the numerator
01:05 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

Solve the following exercise:

35:56+15=? \frac{3}{5}:\frac{5}{6}+\frac{1}{5}=\text{?}

2

Step-by-step solution

To solve the problem, we'll follow the outlined steps:

  • Step 1: Calculate the division 35:56 \frac{3}{5} : \frac{5}{6} .
  • Step 2: Add 15 \frac{1}{5} to the result from Step 1.
  • Step 3: Simplify the resulting fraction.

Now, let's work through each step:

Step 1: To divide 35 \frac{3}{5} by 56 \frac{5}{6} , we multiply by the reciprocal of 56 \frac{5}{6} . This gives us:

35×65=3×65×5=1825 \frac{3}{5} \times \frac{6}{5} = \frac{3 \times 6}{5 \times 5} = \frac{18}{25}

Step 2: Now, add 15 \frac{1}{5} to 1825 \frac{18}{25} . First, we convert 15 \frac{1}{5} to the same denominator as 1825 \frac{18}{25} :

15=525 \frac{1}{5} = \frac{5}{25}

Step 3: Add 1825 \frac{18}{25} and 525 \frac{5}{25} :

1825+525=18+525=2325 \frac{18}{25} + \frac{5}{25} = \frac{18 + 5}{25} = \frac{23}{25}

Thus, the solution to the problem is 2325\frac{23}{25}.

3

Final Answer

2325 \frac{23}{25}

Key Points to Remember

Essential concepts to master this topic
  • Division Rule: Multiply by reciprocal to divide fractions correctly
  • Technique: Convert 35÷56 \frac{3}{5} ÷ \frac{5}{6} to 35×65=1825 \frac{3}{5} × \frac{6}{5} = \frac{18}{25}
  • Check: Find common denominator 25, then add numerators: 18 + 5 = 23 ✓

Common Mistakes

Avoid these frequent errors
  • Dividing fractions by cross-multiplying denominators
    Don't multiply 3×6 and 5×5 to get 18/25 directly from division = skips the reciprocal step! This confuses division with multiplication of fractions. Always flip the second fraction first, then multiply: 3/5 × 6/5.

Practice Quiz

Test your knowledge with interactive questions

\( \frac{1}{3}+\frac{1}{4}= \)

FAQ

Everything you need to know about this question

Why do I flip the second fraction when dividing?

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Division by a fraction means "how many groups" of that fraction fit into the first. Flipping and multiplying gives the same result as dividing, but it's much easier to calculate!

How do I add fractions with different denominators?

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Find a common denominator first! Convert 15 \frac{1}{5} to 525 \frac{5}{25} so both fractions have denominator 25, then add the numerators.

Do I need to follow order of operations here?

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Yes! Division comes before addition, so calculate 35÷56 \frac{3}{5} ÷ \frac{5}{6} first to get 1825 \frac{18}{25} , then add 15 \frac{1}{5} .

Can I simplify 23/25 further?

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No, 2325 \frac{23}{25} is already in lowest terms! Since 23 is prime and doesn't share any common factors with 25, this fraction cannot be simplified.

What if I get confused with all the fraction operations?

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Take it one step at a time! Write each step clearly: first divide, then convert to common denominators, then add. Double-check each calculation before moving to the next step.

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