Math, asked by rahul821878, 4 months ago

The denominator of a rational number is greater than
its numerator by 8. If the numerator is increased by
17 and the denominator is decreased by 1, the
number obtained is 3/2. Find the rational number.​

Answers

Answered by rvs1955raj
1

Step-by-step explanation:

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Answered by Anonymous
10

{ \huge{ \pink{ \underline{ \underline{ \red{ \mathbb{ \bigstar{ \purple{answer}}}}}}}}} \\  \bf \: let \: the \: numerator \: of \: rational \: number \:  =  \: x \:  \\  \sf \: then \: denominator \: of \: rational \: number \:  = x + 8 \\  \sf \: the \: rational \: number \:  =  \frac{x}{x + 8}  \\  \bf \: using \: the \: given \: information \:  \\  \sf \:  \frac{x + 17}{(x + 8) - 1}  =  \frac{3}{2}  =  >  \frac{x + 17}{x + 7}  =  \frac{3}{2}  \\  =  > 2(x + 17) = 3(x + 7) \:  { \green{ \mathbb{by \: cross \: multiplication}}} \\  =  > 2x + 34 = 3x + 21 =  >  2x - 3x = 21 - 34 \\  =  >  - x =  - 13 \:  =  > x = 13 \\ { \red{ \mathbb{putting \: the \: real \: value \: of \: x \: }}} \\ hence \: the \: required \: rational \: number \: is :  \\  \frac{x}{x + 8}  = >   \frac{13}{13 + 8}  =   > \frac{13}{21}  \\  \\ answer =  >  \frac{13}{21}

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