Solve Mixed Number Multiplication: 2⅓ × 1⅖ Step-by-Step

Mixed Number Multiplication with Improper Conversion

226×1410= 2\frac{2}{6}\times1\frac{4}{10}=

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:02 Reduce what we can
00:30 Convert mixed fractions to fractions
00:43 Calculate the numerators
00:52 Make sure to multiply numerator by numerator and denominator by denominator
00:57 Calculate the multiplications
01:02 Now convert to mixed fraction
01:06 Break down 49 to 45 plus 4
01:11 Break down the fraction into whole number and remainder
01:16 Convert from proper fraction to whole number, and add to mixed number
01:21 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

226×1410= 2\frac{2}{6}\times1\frac{4}{10}=

2

Step-by-step solution

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

  • Step 1: Convert each mixed number to an improper fraction.
  • Step 2: Multiply the improper fractions.
  • Step 3: Simplify the resulting fraction, if necessary.
  • Step 4: Convert the result back to a mixed number.

Now, let's work through each step:

Step 1: Convert each mixed number to an improper fraction.

For 2262\frac{2}{6}:

226=2×6+26=12+26=146 2\frac{2}{6} = \frac{2 \times 6 + 2}{6} = \frac{12 + 2}{6} = \frac{14}{6}

Simplifying 146\frac{14}{6} by dividing the numerator and the denominator by 2, we get 146=73\frac{14}{6} = \frac{7}{3}.

For 14101\frac{4}{10}:

1410=1×10+410=10+410=1410 1\frac{4}{10} = \frac{1 \times 10 + 4}{10} = \frac{10 + 4}{10} = \frac{14}{10}

Simplifying 1410\frac{14}{10} by dividing the numerator and the denominator by 2, we get 1410=75\frac{14}{10} = \frac{7}{5}.

Step 2: Multiply the improper fractions:

73×75=7×73×5=4915 \frac{7}{3} \times \frac{7}{5} = \frac{7 \times 7}{3 \times 5} = \frac{49}{15}

Step 3: Simplify the resulting fraction, if necessary. In this case, 4915\frac{49}{15} is already in its simplest form.

Step 4: Convert the result back to a mixed number:

4915 \frac{49}{15} can be rewritten as 34153\frac{4}{15}, since 49 divided by 15 is 3 with a remainder of 4.

Therefore, the solution to the problem is 3415 3\frac{4}{15} .

3

Final Answer

3415 3\frac{4}{15}

Key Points to Remember

Essential concepts to master this topic
  • Rule: Always convert mixed numbers to improper fractions first
  • Technique: 226=146 2\frac{2}{6} = \frac{14}{6} using formula (whole × denominator + numerator)
  • Check: Convert final answer back to mixed number: 4915=3415 \frac{49}{15} = 3\frac{4}{15}

Common Mistakes

Avoid these frequent errors
  • Multiplying whole numbers and fractions separately
    Don't multiply 2 × 1 = 2 and 26×410 \frac{2}{6} \times \frac{4}{10} separately = wrong structure! This ignores the mixed number relationships and gives incorrect results. Always convert to improper fractions first, then multiply as single fractions.

Practice Quiz

Test your knowledge with interactive questions

\( 5:\frac{2}{5}= \)

FAQ

Everything you need to know about this question

Why can't I just multiply the whole numbers and fractions separately?

+

Mixed numbers are single values, not separate parts! 226 2\frac{2}{6} means "2 and two-sixths" as one number. Splitting them up changes the mathematical meaning and gives wrong answers.

Do I need to simplify the fractions before converting to improper fractions?

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It's helpful but not required! You can simplify 26=13 \frac{2}{6} = \frac{1}{3} and 410=25 \frac{4}{10} = \frac{2}{5} first, but you'll get the same answer either way. Simplifying early just makes the numbers smaller and easier to work with.

How do I know when my final fraction is in simplest form?

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Check if the numerator and denominator share any common factors besides 1. For 4915 \frac{49}{15} , since 49 = 7 × 7 and 15 = 3 × 5, they share no common factors, so it's already simplified!

What's the easiest way to convert back to a mixed number?

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Divide the numerator by the denominator! 49÷15=3 49 ÷ 15 = 3 remainder 4 4 , so 4915=3415 \frac{49}{15} = 3\frac{4}{15} . The quotient becomes the whole number, remainder becomes the new numerator.

Can I use a calculator for this problem?

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While calculators can help with arithmetic, it's important to understand the process first! Practice the conversion steps by hand, then use a calculator to check your multiplication and division.

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