Solve Mixed Number Division: 2⅐ ÷ ¼ Step-by-Step

+217:+14= ? +2\frac{1}{7}:+\frac{1}{4}=\text{ ?}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:06 Let's begin by solving this problem.
00:12 Remember, a positive number divided by another positive number always gives a positive result.
00:25 First, change the mixed fraction to an improper fraction. This makes it easier to work with.
00:59 Great! Now, let's substitute this fraction into our exercise.
01:11 Next, remember that dividing by a fraction is like multiplying by its reciprocal.
01:21 So, switch the numerator and the denominator.
01:31 Now, multiply the numerators together and the denominators together.
01:45 Let's break down sixty into fifty-six plus four. This will help us with our calculations.
01:53 Separate the fraction into a whole number and a remainder.
01:58 Once simplified, convert the improper fraction back to a whole number.
02:08 And there you have it! That's how you solve the question. Well done!

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

+217:+14= ? +2\frac{1}{7}:+\frac{1}{4}=\text{ ?}

2

Step-by-step solution

Let's first convert 2 and seven-sevenths into a simple fraction:

217=2+17=2×77+17=2×77+17=147+17=14+17=157 2\frac{1}{7}=2+\frac{1}{7}=2\times\frac{7}{7}+\frac{1}{7}=\frac{2\times7}{7}+\frac{1}{7}=\frac{14}{7}+\frac{1}{7}=\frac{14+1}{7}=\frac{15}{7}

Now the exercise we have is:

157:14= \frac{15}{7}:\frac{1}{4}=

next we convert the division exercise into a multiplication exercise, remembering to switch the numerator and denominator in the second fraction:

157×41= \frac{15}{7}\times\frac{4}{1}=

Let's now combine into one multiplication exercise:

15×47×1=607 \frac{15\times4}{7\times1}=\frac{60}{7}

Next, we factor 60 into an addition exercise:

56+47= \frac{56+4}{7}=

Then let's separate the exercise into addition between fractions:

567+47= \frac{56}{7}+\frac{4}{7}=

Finally, we solve the first fraction exercise to get our answer:

8+47=847 8+\frac{4}{7}=8\frac{4}{7}

3

Final Answer

847 8\frac{4}{7}

Practice Quiz

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What will be the sign of the result of the next exercise?

\( (-2)\cdot(-4)= \)

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