By the time food<span> and digestive juices reach your </span>large intestine<span>, most </span>digestion<span> and nutrient absorption has already taken place. The </span>large intestine's<span> major jobs are to absorb excess water and to prepare feces -- or undigested waste material -- for removal via the rectum and anus.</span>
The fraction is in simplest form. That is only if it's asking to simplify the fraction.
I can't really see but i think you can do it.
To keep out dirt and other bad things
