Question

if a certain number is added both to the numerator and to the denominator of 9upoun17 the new fraction reduces to 5upoun7 find the number ​

Answer 1

Step-by-step explanation:

Let that number be x.

9+x/17+x=5/7

63+7x=85+5x

63-85=5x-7x

-22=-2x

11=x

20/28=5/4(when divided by 4)

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Answer 2

Answer:

answer attached in photo