Vitamins may reduce the symptoms of rosacea. Photo Credit Kathleen Brennan/Brand X Pictures/Getty Images. Rosacea is a chronic condition characterized by redness and inflammation of the skin around the nose, cheeks and forehead. The exact cause of rosacea is unknown and the triggers can vary from case to case. According to Rosacea.org, the most common triggers include sun exposure, emotional stress and heat.
A fraction (from Latin fractus, broken) represents a part of a whole or, more generally, any number of equal parts. When spoken in everyday English, a fraction describes how many parts of a certain size there are, for example, one-half, eight-fifths, three-quarters.
Unit fraction. A unit fraction is a rational number written as a fraction where the numerator is one and the denominator is a positive integer. A unit fraction is therefore the reciprocal of a positive integer, 1/n. Examples are 1/1, 1/2, 1/3, 1/4 ,1/5, etc.