Question

express the p/q form
i)0.375
ii)12.5. ​

Answer 1

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express the p/q form

i)0.375

ii)12.5.

i) 0.375

=>375×1/1000

=>375/1000

=>75/200

=>15/40

=>3/8

It is in the form of p/q=3/8

ii)12.5

=>125×1/10

=>125/10

=>25/2

It is in the form of p/q=25/2

Answer 2

0.375=

$0.375 = \frac{375}{1000} = \frac{3 \times {5}^{2} }{ {2}^{3} \times {5}^{5} } = \frac{3}{ {2}^{3} } = \frac{3}{8}$

12.5=

$12.5 = \frac{125}{10} = \frac{ {5}^{3} }{2 \times 5} = \frac{25}{2}$