The denominator of a fraction is three more than the numerator. When both are increased by 1 the fraction becomes 1/2. What is t
he original fraction?
1 answer:
Answer:
2/5
Step-by-step explanation:
Let x = numerator
3 + x = denominator
the numerator and denominator are increased by 1 , the fraction becomes

cross multiply
2(x + 1 ) = 4 + x
2x + 2 = 4 + x
combine like terms
2x - x = 4 - 2
x = 2 = numerator
denominator = 2 + 3 = 5
2/5 fraction
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