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: