Low FPS in League of Legends

AMD A8-7050 Radeon R5, 6 Compute Cores 2C+4G R5 Radeon Grafic Card 8GB DDR3 1600MHZ 250GB SSD Samsung EVO pro 850 Guys can u try help me? I have 30-35 FPS max, what can be a problem?
Report as:
Offensive Spam Harassment Incorrect Board