Yes, one-thirds equals five fifteenths.
0.6
0.6
15/25
Do you mean five over three? If so that's 1.667.
-5/9, -10/18, -15/27
YES
five over twelve is bigger than three over eight
NO
0.2.
a equivalent fraction is 10/25
14/15
1 7/12 (one and seven-twelfths)