Which fraction is equivalent to 2/8

Liesl grew 7/12 of a foot in one year. her little sister grew 1/3 of a foot during that same year. how much more did liesl grow than her little sister did

Which is equivalent to 10/12? options: 10/18 5/6 3/12 9/11

The heaviest 16% of all men in weight weigh more than how many pounds ?