Question

19. The numerator of a fraction is 2 less than the denominator. If 5 is added to both the
numerator and the denominator, the fraction becomes 4/5Find the fraction.
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Answer 1

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Answer 2

Answer:

fraction = 3/5

Step-by-step explanation:

fraction = numerator / denominator

let denominator be X as numerator is 2 less than denominator so equation is

x-2/X

x-2 +5/X+5 = 4/5

x+3/X+5 = 4/5

now using cross multiply

5(X+3) = 4(X+5)

5x + 15 = 4x + 20

5x - 4x = 20-15

x = 5

now put value of X in x-2/X

5-2/5

3/5