<PRE><B>Question 875660</B>
1) 18/24
Divide numerator and denominator by 6
18/24 = 3/4
2) 7rs^3 / 21r^2s
Divide numerator and denominator by 7rs
s^2 / 3
3) 3y-3 / y^2-1
In numerator factor 3 and in denominator factor the squares
3(y-1) / (y-1)(y+1)
Divide numerator and denominator by (y-1)
3 / (y+1)

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