Solve Mixed Number Division: 6⅞ ÷ 6½ Step-by-Step

(+689):(+612)= (+6\frac{8}{9}):(+6\frac{1}{2})=

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Step-by-step video solution

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00:00 Solution
00:03 Positive divided by positive is always positive
00:13 Convert mixed numbers to fractions
00:41 Write division as multiplication by reciprocal
00:46 Swap between numerator and denominator
00:54 Make sure to multiply numerator by numerator and denominator by denominator
01:13 Break down the denominator into 2 products to help with calculation
01:21 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

(+689):(+612)= (+6\frac{8}{9}):(+6\frac{1}{2})=

2

Step-by-step solution

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

+:+=+ +:+=+

First, let's convert each mixed number to an improper fraction as follows:

689=6×9+89=54+89=629 6\frac{8}{9}=\frac{6\times9+8}{9}=\frac{54+8}{9}=\frac{62}{9}

612=6×2+12=12+12=132 6\frac{1}{2}=\frac{6\times2+1}{2}=\frac{12+1}{2}=\frac{13}{2}

Now we have the problem:

629:132= \frac{62}{9}:\frac{13}{2}=

Let's convert the division to multiplication, and don't forget to swap the numerator and denominator:

629×213= \frac{62}{9}\times\frac{2}{13}=

Let's combine everything into one problem:

62×29×13= \frac{62\times2}{9\times13}=

Let's solve the multiplication in the numerator, and factor the denominator into an addition problem as follows:

1249×10+9×3= \frac{124}{9\times10+9\times3}=

Let's solve the multiplication problems in the denominator:

12490+27= \frac{124}{90+27}=

Let's combine the denominator and we get:

124117 \frac{124}{117}

3

Final Answer

124117 \frac{124}{117}

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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