(4又7分之6+1.75)除以1又14分之11+3又6分之5
=﹙34/7 +7/4﹚×14/25 +23/6
=68/25 +49/50 +23/6
=﹙68×6+49×3+23×25﹚/150
=1130/150
=113/15