the sum of numerator and denominator is 3 less than twice numerator and denominator is decreased by 1 then rhe fraction becomes 1/2
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Step-by-step explanation:
•2(N)=N+D+3
°2N-N=D+3
°N=D+3
N/D= 1/2
°D+3/D=1/2
°2(D+3)=D
°2D+6=D
°D=6,N=D+3 =6+3=9
Original ratio :N/D=9/6=3/2
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