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If the numerator of a fraction is increased by 2 and the denominator by 1, it becomes 5/8. If the numerator and the denominator of the same fraction are each increased by 1, the fraction becomes 1/2. Find the fraction.

Correct answer:

x =  3/7

Step-by-step explanation:

x = ba  b+1a+2=85 b+1a+1=21  (a+2) 8=5 (b+1) (a+1) 2=1 (b+1)  8a5b=11 2ab=1  Row282 Row1Row2 8a5b=11 0.25b=1.75  b=0.251.75=7 a=811+5b=811+5 7=3  a=3 b=7  x=ba=73=0.4286

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