The numerator of a fraction is 4 less than denominator. If 2 added to both, numerator and denominator, the new fraction will be equivalent to 0.5. what is the original fraction?
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3
Answer:
The rule is shown below: This formula says that if the numerator of one fraction times the denominator of the other fraction equals the denominator of the first fraction times the numerator of the second fraction, then the fractions are equivalent.
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2
Let the denominator be x.
Then numerator =x-4.
According to question
(X-4+2)/x=5/7
5x=7x-14
-2x=-14
X=7
Therefore fraction becomes 3/7
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