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.
Liquids on a colonoscopy diet prep to take include apple juice, water, sports drinks, gelatin, frozen pops, diet soda, coffee and broth. You will need to monitor how many carbohydrates you consume while taking the diet prep, according to your doctor's orders. Some clear liquids contain carbohydrates, while others do not. For example, 4 oz. of apple juice contains 15 g of carbohydrates while 4 oz. of white grape juice contains 20 g.