A. 1/4 = 3/12
B. 4/5 not equivalent 5/10 ([tex]\neq[/tex] means not equialent although im just gonna write not euivalent and = means equivalent)
C. 3/8 not equivalent 2/6
D. 3/4 =6/8
E. 5/10 = 10/12
F. 6/12 not equivalent 5/8
G. 2/5 = 4/10
H. 2/4 not equivalent 3/12
hope this helps!!! :D