An image reading apparatus comprises a first reading section; a second reading section; a conveyance section which conveys the sheet sequentially to the first reading section and the second reading section; a control section which executes a first storage operation of storing image data read by the first reading section in a storage section and a second storage operation of storing image data read by the second reading section in the storage section, determines whether the reading operations of the first reading section and the second reading section, the first and the second storage operations are ended normally and deletes, if any one of the operations is not ended normally, the image data of the sheet not scanned normally stored in the storage section.