How much is 8 / 17 / 23 + 1 / 23 * 9 / 11

How much is 8 / 17 / 23 + 1 / 23 * 9 / 11

Original formula = 8 / 17 △ 23 + 1 / 23 × 9 / 11
=1/23× (8/17+9/11)
=1/23× (88/187+153/187)
=1/23×241/187
=241/4301