1. A display apparatus comprising: a display; and a display controller configured to cause the display to display reduced-size images of images, which are included in print data to be printed on a recording medium by an image forming apparatus, so that the reduced-size images are displayed as though post-processing cutting, which is to be performed on the recording medium on which the images have been formed, has been performed on the reduced-size images displayed by the display, wherein the reduced size images are reduced by at least one of a predetermined width and a width that is based on a thickness of the recording medium on which the images have been formed.