1. A method of obtaining a magnetic resonance imaging (MRI) image, the method comprising: repeatedly performing a sequence of obtaining a navigator image that tracks breathing of a subject and obtaining MRI data of a subject region, multiple times, during a predetermined time period; extracting MRI data obtained at a point of time at which a heartbeat and the tracked breathing of the subject are paused, based on the obtained navigator images; and generating an MRI image of the subject region by transforming the extracted MRI data through fat suppression, in response to the extraction of the MRI data being completed.