An electronic apparatus includes a memory storing information on a trained first artificial intelligence model and second artificial intelligence model, a communication interface, and a processor. The processor is configured to, based on weight information of laundry before washing and washing course information being received from a washing machine, input the received weight information of the laundry before washing and the washing course information into the first artificial intelligence model to acquire weight information of the laundry after washing. The processor or is also configured to input the acquired weight information of the laundry after washing and drying course information into the second artificial intelligence model to acquire drying time information for a drying process. The processor is further configured to transmit the acquired drying time information to at least one of the washing machine or a drying machine through the communication interface.