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Q.32- A fraction becomes
1/3 when is subtracted from the numerator and it
Becomes 1/4 when 8 is added to its denominator. Find the fraction.
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Answer:
Let the numerator be x and denominator be y.
therefore fracture = x/y
now according to question
x-1/y = 1/3 == 3x-3=y
3x-y=3 ---(1 equation)
x/y+8=1/4 == 4x= y+8
4x-y =8----(2 equation)
now subtracting equation 2 from 1 we have..
3x-y=3
- 4x-y=8
-x= -5
x=5
putting the value of x in 1 equation, we have..
3×5-y=3 == 15-y=3 ==15-3=y
therefore, y=12
Hence, the required fraction is 5/12
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