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In a fraction, the numerator is (3) less than the denominator. If (2) is added to both numerator and denominator, the fraction becomes (\frac{4}{5}). What is the original fraction?एक भिन्न में अंश हर से (3) कम है। यदि अंश और हर दोनों में (2) जोड़ने पर भिन्न (\frac{4}{5}) हो जाती है, तो मूल भिन्न क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{10}{13})(\frac{10}{13})
Let the denominator be (y), so the numerator is (y-3). From (\frac{y-1}{y+2}=\frac{4}{5}), (y=13), so the fraction is (\frac{10}{13}).मान लें हर (y) है तो अंश (y-3)। (\frac{y-1}{y+2}=\frac{4}{5}) से (y=13), इसलिए भिन्न (\frac{10}{13}) है।
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