Dividing fractions is just about as easy; there's just one extra step. When you divide by a fraction, the first thing you do is flip-n-multiply. That is, you take the second fraction, flip it upside-down (find the reciprocal), and multiply the first fraction by this flipped fraction.1  Simplify. 2  Simplify.ultiplying fractions is easy: you multiply the top numbers and multiply the bottom numbers. For instance: When possible, you reduce. In the example above, however, nothing reduces, because 8 and 45 have no factors in common.
Sodium phosphate tablets are prescribed by the doctor doing the colonoscopy. There are two different brands, depending on which your doctor prescribes -- Visicol, a 40-tablet regimen, and Osmo-Prep, a 32-tablet regimen.
PREPARING FOR YOUR COLONOSCOPY Your doctor will request a colonoscopy when it is suspected that something is wrong with your bowel, if you have a family history of bowel cancer or polyps, or for routine bowel screening.This procedure should not be performed if there is any possibility of pregnancy.It is VERY important that your bowel is thoroughly cleaned for a successful colonoscopy in order to see the bowel lining clearly. The following information is a guide only of what to do and expect when preparing for a colonoscopy.his procedure should not be performed if there is any possibility of pregnancy. It is VERY important that your bowel is thoroughly cleaned for a successful colonoscopy in order to see the bowel lining clearly. The following information is a guide only of what to do and expect when preparing for a colonoscopy.