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Dosage Calculations Made Incredibly Easy 4th Edition PDF

Dosage Calculations Made Incredibly Easy 4th Edition PDF Free Download
Dosage Calculations Made Incredibly Easy 4th Edition PDF
Preface:

Getting to the bottom of it The bottom number, or denominator, represents the total number of equal parts in the whole. The larger the denominator, the greater the number of equal parts. For example, in the fraction 3⁄5, the denominator 5 indicates that the whole has been divided into five equal parts. In the fraction 7⁄12, the denominator 12 indicates that the whole has been divided into 12 equal parts. So, as the denominator becomes larger, the size of the parts becomes smaller. Staying on top of it The top number, or numerator, signifies the number of parts of the whole being considered. For example, in the fraction 3⁄5, only 3 of the 5 equal parts are being considered. In the fraction 7⁄12, only 7 of the 12 equal parts are being considered. Types of fractions There are four types of fractions: • common • complex • proper • improper. Common and complex In a common fraction, such as 2⁄3, both the numerator and denominator are whole numbers. In a complex fraction, the numerator and denominator are fractions. For example: Proper and improper In a proper fraction, such as 1⁄4, the numerator is smaller than the denominator. In an improper fraction, such as 8⁄7 or 11⁄4, the numerator is larger than the denominator. In other words, it’s top heavy. An improper fraction represents a number that’s greater than 1. An improper fraction can also be expressed as a mixed number — a whole number and a fraction. Therefore, 8⁄7 can be rewritten as 11⁄7 and 11⁄4 can be rewritten as 23⁄4.

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