When 3 is added to the denominator and 2 is subtracted from the numerator a fraction becomes 1/4. And, when 6 is added to numerator and the denominator is multiplied by 3, it becomes 2/3. Find the fraction.
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let the numerator be"a"
denominator= "b"
as given = a-2/b+3=1/4 [cross multiply}
4a-8=b+3 {SOLVE}
=4a-b=11
now 6 is added to numerator and denominator is multiplied by 3
= a+6/3b=2/3 {cross}
=3a+18=2b
a+6=2b....
4a-b-4a-24=11-8b
7b=35
b=35/7
5
but a = 4
so a/b=4/5
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