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Express 0.13241‾0.13\overline{241}0.13241​ in the form pq\frac{p}qqp​​ , where p and q are integers and q≠0.
Question

Express 0.132410.13\overline{241}​ in the form pq\frac{p}q​ , where p and q are integers and q≠0.

A.

333724160\frac{3337}{24160}​​

B.

380724975\frac{3807}{24975}​​

C.

328721780\frac{3287}{21780}​​

D.

330724975\frac{3307}{24975}​​

Correct option is D

Given:

0.132410.13\overline{241}

Solution:

x = 0.132410.13\overline{241} ........ (1)

​​This means: 

x = 0.132412412412…

Multiply by 100 to shift the decimal point:

100x = 13.241241 ......... (2)

Multiply  (eq) 2 by 1000 

100000x = 13241.241241....... (3)

Subtract  equations (2) by (eq) 3 , we get

99900x = 13228

x=1322899900x= \frac{13228}{99900}

x = 330724975\frac{3307}{24975}

​​The fraction form of 0.132410.13\overline{241} is :

x = 330724975\frac{3307}{24975}​​

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