Answer:
5/9 is not equivalent to 5/8
1/2 is not equivalent to 1/4
Explanation:
Two fractions are equivalent when the product of one's numerator and the other's denominator is equal to the product of one's denominator and the other's numerator. Then, 1/2 is equivalent to 2/4 because 1*4 = 2*2
On the other hand:
5/9 is not equivalent to 5/8 because 8*5 ≠ 9*5
1/2 is not equivalent to 1/4 because 1*4 ≠ 1*2