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GenaCL600 [577]
3 years ago
8

Anupa's favorite fraction is equivalent to $\frac{3}{5}$. The sum of its numerator and denominator is $120$. What is the differe

nce between the denominator and numerator of Anupa's favorite fraction?
Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Let Anupa's favorite fraction be \frac{x}{y}.

Since it is equivalent to \frac{3}{5}, clearly x < y.

It is give that the sum of the numerator and the denominator is $120$.

Therefore, x + y = 120 --- (1)

We need to find y - x.

Now, from (1),

y = 120 - x

So, \frac{x}{120-x} =\frac{3}{5}

5x = 3(120 - x)

= 360 - 3x

5x + 3x = 360

8x = 360

x = 360/8

= 45

y = 120 - 45 = 75

y - x = 75 - 45 = 30

Hence, the difference between the denominator and numerator of Anupa's favorite fraction is 30.

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