Divide Mixed Numbers: (±3 3/13) ÷ (±1 12/13) Step-by-Step Solution

(±3313):(±11213)= ? (\pm3\frac{3}{13}):(\pm1\frac{12}{13})=\text{ ?}

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:05 Positive divided by positive is always positive
00:30 Convert mixed numbers to fractions
00:47 Write division as multiplication by reciprocal
00:53 Switch between numerator and denominator
00:57 Reduce what is possible
01:03 Break down the fraction into whole number and remainder
01:08 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

(±3313):(±11213)= ? (\pm3\frac{3}{13}):(\pm1\frac{12}{13})=\text{ ?}

2

Step-by-step solution

Since we are dividing two positive numbers, the result must be a positive number:

+:+=+ +:+=+

First, we'll convert each mixed fraction into an improper fraction as follows:

3313=3×13+313=39+313=4213 3\frac{3}{13}=\frac{3\times13+3}{13}=\frac{39+3}{13}=\frac{42}{13}

11213=1×13+1213=13+1213=2513 1\frac{12}{13}=\frac{1\times13+12}{13}=\frac{13+12}{13}=\frac{25}{13}

Now we have:

4213:2513 \frac{42}{13}:\frac{25}{13}

We'll convert the division problem into multiplication, remembering to switch the numerator and denominator:

4213×1325= \frac{42}{13}\times\frac{13}{25}=

We'll simplify the 13 to get:

4225= \frac{42}{25}=

Now we'll factor 42 into an addition problem:

25+1725=2525+1725= \frac{25+17}{25}=\frac{25}{25}+\frac{17}{25}=

Finally, we will solve accordingly to get:

1+1725=11725 1+\frac{17}{25}=1\frac{17}{25}

3

Final Answer

11725 1\frac{17}{25}

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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