Solve: 5/6 Divided by 3 1/3 - Fraction Division Steps

Fraction Division with Mixed Numbers

56:313= \frac{5}{6}:3\frac{1}{3}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 Convert mixed number to fraction
00:24 Convert division to multiplication by reciprocal
00:32 Make sure to multiply numerator by numerator and denominator by denominator
00:40 Calculate the multiplications
00:49 Reduce what is possible
00:56 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

56:313= \frac{5}{6}:3\frac{1}{3}=

2

Step-by-step solution

To solve the problem 56:313 \frac{5}{6} : 3\frac{1}{3} , we follow these steps:

  • Step 1: Convert the mixed number to an improper fraction.
  • Step 2: Multiply the dividend by the reciprocal of the improper fraction.
  • Step 3: Simplify the resulting fraction.

Let's carry out these steps:
Step 1: Convert 313 3\frac{1}{3} into an improper fraction. We do this by multiplying the whole number 3 3 by the denominator 3 3 and adding the numerator 1 1 , giving us:

3×3+1=10 3 \times 3 + 1 = 10

This yields the improper fraction 103 \frac{10}{3} .

Step 2: Divide 56 \frac{5}{6} by 103 \frac{10}{3} involves multiplying 56 \frac{5}{6} by the reciprocal of 103 \frac{10}{3} , which is 310 \frac{3}{10} :

56×310=5×36×10=1560 \frac{5}{6} \times \frac{3}{10} = \frac{5 \times 3}{6 \times 10} = \frac{15}{60}

Step 3: Simplify 1560 \frac{15}{60} by dividing both the numerator and denominator by their greatest common divisor, which is 15:

1560=15÷1560÷15=14 \frac{15}{60} = \frac{15 \div 15}{60 \div 15} = \frac{1}{4}

Thus, the solution to 56:313 \frac{5}{6} : 3\frac{1}{3} is 14 \frac{1}{4} .

3

Final Answer

14 \frac{1}{4}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Convert mixed numbers to improper fractions before dividing
  • Technique: Multiply by reciprocal: 56×310=1560 \frac{5}{6} \times \frac{3}{10} = \frac{15}{60}
  • Check: Verify 14×313=56 \frac{1}{4} \times 3\frac{1}{3} = \frac{5}{6} by reverse calculation ✓

Common Mistakes

Avoid these frequent errors
  • Dividing by mixed number without converting first
    Don't divide 56 \frac{5}{6} by 3 and then by 13 \frac{1}{3} separately = wrong answer! This treats the mixed number as two separate operations instead of one value. Always convert 313 3\frac{1}{3} to improper fraction 103 \frac{10}{3} first.

Practice Quiz

Test your knowledge with interactive questions

\( \frac{1}{2}:3= \)\( \)\( \)\( \)

FAQ

Everything you need to know about this question

How do I convert a mixed number to an improper fraction?

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Multiply the whole number by the denominator, then add the numerator! For 313 3\frac{1}{3} : multiply 3 × 3 = 9, then add 1 to get 10. So it becomes 103 \frac{10}{3} .

Why do I multiply by the reciprocal instead of dividing?

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Dividing by a fraction is the same as multiplying by its reciprocal! It's much easier to multiply fractions than divide them. The reciprocal of 103 \frac{10}{3} is 310 \frac{3}{10} .

How do I find the greatest common divisor to simplify?

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List the factors of both numbers and find the largest one they share. For 15 and 60: factors of 15 are 1, 3, 5, 15; factors of 60 include 1, 3, 5, 15. The GCD is 15.

Can I leave my answer as an improper fraction?

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For division problems, it's usually best to simplify to a proper fraction like 14 \frac{1}{4} . Mixed numbers are more common in addition and subtraction problems.

What if I get confused with all the steps?

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Break it down: Convert, Flip, Multiply, Simplify! Write each step clearly and take your time. Practice with easier mixed numbers first to build confidence.

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