20. The numerator of a fraction is 3 less than its denominator. If 1 is added to the denominator,
the fraction is decreased by
. Find the fraction.
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Step-by-step explanation:
let the denominator be = x
it's nominator. = x - 3
after adding one
it's denominator = x + 1
it's numerator. = x - 3
(x/x - 3 )- (x +1 / x - 3)
(x-x+1)/(x-3)
1/x-3. (ans)
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