5/17x6/19+5/19x13/17=5/17x6/19+5/17x13/19=5/17x(6/19+13/19)=5/17x1=5/17
5/17x6/19+5/19x13/17=1/17x30/19+65/19x1/17=1/17x(30/19+65/19)=1/17x95/19=95/323