SOLUTION: can someone help me by tuesday plss :(? solve the problem. in a certain fraction, the numerator is 4 less than the denominator. if 2 is subtracted both to numerator and the den

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: can someone help me by tuesday plss :(? solve the problem. in a certain fraction, the numerator is 4 less than the denominator. if 2 is subtracted both to numerator and the den      Log On


   



Question 453007: can someone help me by tuesday plss :(?
solve the problem.
in a certain fraction, the numerator is 4 less than the denominator. if 2 is subtracted both to numerator and the denominator, the resulting fraction is equal to 1/2. find the original fraction in lowest terms.

Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
given:
+%28x+-+4%29%2Fx+
+%28x+-+6%29+%2F+%28x+-+2%29+=+1%2F2+
Multiply both sides by +2%2A%28x+-+2%29+
+2%2A%28x+-+6%29+=+x+-+2+
+2x+-+12+=+x+-+2+
+x+=+10+
The original fraction is
+%2810+-+4%29+%2F+10+
+3%2F5+