Respuesta :

Answer:

x =  [tex]\frac{214}{99}[/tex] , mixed fraction [tex]2\frac{16}{99}[/tex]

Step-by-step explanation:

Given  : 2.161616

To find : write as fraction and a mixed number.

Solution : We have given that

2.161616

Let x =2.161616

We can see the number 16 is repeating 2.161616

So, the bar line is over the two digit 16

On multiplying the number both side by 100.

100x = 100 *2.161616

100x =216.1616

We can write the number 216.1616 in term of x

100x = 214 + x

On subtracting both sides by x

100x -x = 214

99x = 214

On dividing both sides by 99

x = [tex]\frac{214}{99}[/tex].

x = [tex]\frac{214}{99}[/tex].

Mixed fraction : [tex]2\frac{16}{99}[/tex]

Therefore, x =  [tex]\frac{214}{99}[/tex] , mixed fraction [tex]2\frac{16}{99}[/tex]

In order to write 2.161616 as fraction and as a mixed number, the following logical-mathematical reasoning must be carried out:

  • 2.161616 as fraction = 2 integers and .161616 fractions (mixed number)
  • 0.161616 = 1 / 6.1875 = 10101/62500
  • (62500 x 2) + 10101 = 135101
  • 135101/62500 = Fraction

Therefore, 2.161616 as a mixed number is 2 10101/62500, and as a fraction is 135101/62500.

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