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Sagot :
Let's solve the given fraction step by step.
Given:
[tex]\[ \frac{-4}{5 \frac{2}{5}} \][/tex]
Firstly, let's simplify the denominator [tex]\(5 \frac{2}{5}\)[/tex].
1. Convert the mixed number [tex]\(5 \frac{2}{5}\)[/tex] into an improper fraction:
[tex]\[ 5 \frac{2}{5} = 5 + \frac{2}{5} \][/tex]
2. Rewrite [tex]\(5\)[/tex] as a fraction:
[tex]\[ 5 = \frac{5 \times 5}{5} = \frac{25}{5} \][/tex]
3. Add [tex]\(\frac{25}{5}\)[/tex] and [tex]\(\frac{2}{5}\)[/tex]:
[tex]\[ 5 \frac{2}{5} = \frac{25}{5} + \frac{2}{5} = \frac{27}{5} \][/tex]
So now, the original expression becomes:
[tex]\[ \frac{-4}{\frac{27}{5}} \][/tex]
When dividing by a fraction, we multiply by its reciprocal:
[tex]\[ \frac{-4}{\frac{27}{5}} = -4 \times \frac{5}{27} \][/tex]
Multiply the fractions:
[tex]\[ -4 \times \frac{5}{27} = -\frac{4 \times 5}{27} = -\frac{20}{27} \][/tex]
So, the simplified value of the given expression is:
[tex]\[ -\frac{20}{27} \][/tex]
Therefore, the correct answer from the provided options is:
[tex]\(-\frac{20}{27}\)[/tex].
Given:
[tex]\[ \frac{-4}{5 \frac{2}{5}} \][/tex]
Firstly, let's simplify the denominator [tex]\(5 \frac{2}{5}\)[/tex].
1. Convert the mixed number [tex]\(5 \frac{2}{5}\)[/tex] into an improper fraction:
[tex]\[ 5 \frac{2}{5} = 5 + \frac{2}{5} \][/tex]
2. Rewrite [tex]\(5\)[/tex] as a fraction:
[tex]\[ 5 = \frac{5 \times 5}{5} = \frac{25}{5} \][/tex]
3. Add [tex]\(\frac{25}{5}\)[/tex] and [tex]\(\frac{2}{5}\)[/tex]:
[tex]\[ 5 \frac{2}{5} = \frac{25}{5} + \frac{2}{5} = \frac{27}{5} \][/tex]
So now, the original expression becomes:
[tex]\[ \frac{-4}{\frac{27}{5}} \][/tex]
When dividing by a fraction, we multiply by its reciprocal:
[tex]\[ \frac{-4}{\frac{27}{5}} = -4 \times \frac{5}{27} \][/tex]
Multiply the fractions:
[tex]\[ -4 \times \frac{5}{27} = -\frac{4 \times 5}{27} = -\frac{20}{27} \][/tex]
So, the simplified value of the given expression is:
[tex]\[ -\frac{20}{27} \][/tex]
Therefore, the correct answer from the provided options is:
[tex]\(-\frac{20}{27}\)[/tex].
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