Yes. 3/4 is equivalent to 12/16 3/4 * 4/4 = 12/16 thus 3/4 = 12/16
No.
No.
4 over 5
No.
NO
8 over 10 (8/10) and 12 over 15 (12/15) are equivalent to 4 over 5 (4/5).
4/12 1/3 2/4
12/15 = 4/5
9/4
9/12 and 3/4 are equivalent, but 6/9 isn't.
Yes they are.