SOLUTION: In a certain fraction, the denominator is 6 more than the numerator. If 3 is added to both the numerator and the denominator, the resulting fration is equivalent to 5/7. What was

Question 77710This question is from textbook Introductory Algebra
: In a certain fraction, the denominator is 6 more than the numerator. If 3 is added to both the numerator and the denominator, the resulting fration is equivalent to 5/7. What was the original fration?
Also:
The numerator of a certain fraction is 4 times the denominator. If 6 is added to both the numerator and denominator, the resulting fraction is equivalent to 2. What was the original fraction?This question is from textbook Introductory Algebra

Answer by mysterynorth(5) (Show Source):
You can put this solution on YOUR website!
I can't help you with the second one but the first one's answer is as follows.
You write down all the fractions equivalent to 5/7 ; 10/14 , 15/21 , 20/28 etc.
15/ 21 is equivalent with 5/7 Now subtract 6 from both the numerator and denominator ( because you add six but i'm working backwards) you get 12/18.
18 is six more then 12. Ther's your answer. The fraction started out at 12/18 or 2/3