五年级数学,分数题请教7又4480/8333÷21934/259
7又4480/8333÷21934/25909÷1又18556/35255=?
7又4480/8333÷21934/25909÷1又18556/35255 =62811/8333÷21934/25909÷53811/35255 =5又5/6