I need help with labeling the sketch and explain the answer. Thank you

In order to sketch these mixed numbers, we just need to draw boxes with divisions equal the corresponding fraction.
For example, in a. we have 1 1/8, so we have one whole box (8/8) and 1/8 of a box, so the sketch is like this:
For b., we have 1 whole (16/16) and 3/16, so:
For c., we have two wholes (2/2 + 2/2) and 1/2: