Answer :
(15/23)/(6/7)
(105/161) / (138/161)
(105/161) x (161/138)
16905/22218
5635/7406
35/46 simplest :)
(105/161) / (138/161)
(105/161) x (161/138)
16905/22218
5635/7406
35/46 simplest :)