Problema Solution
the difference in a numerator and denominator of an improper fraction is 4. IF THe numerator is decreased by 1 and the denominator is doubled the resulting fraction is 4/5. What was the original fraction?
Answer provided by our tutors
let the fraction be x/x-4
x-1/2(x-4)=4/5
5x-5=8x-20
3x=15
x=5
fraction=5/1