Answer:
the first one- 15 15/16in3
Explanation:
this is probably not the best way to do this but I divided the 1/4 and got 0.25 and just added 4 I did the same to 1 1/4 so I multiplied them all
4.25 x 1.25 x 3= 15.9375= 15/ 15/16
I hope this helped! :)