
Least common denominator of fractions.Any two fractions it is possible to reduce to the same denominator, or otherwise to the common denominator. Definition. The least common denominator is the least common multiple of the denominators of a set of vulgar fractions. It is the smallest positive integer that is a multiple of the denominators.For reduction of fractions to the least common denominator you should:
Examples of tasks: reduce fractions to least common denominatorExample 1. To reduce to a common denominator fractions: lcd(6, 9) = 18 18/6 = 3 — additional multiplier of the first fraction, Then:
Example 2. To reduce to a common denominator fractions: lcd(27, 36) = 108 108/27 = 4 — additional multiplier of the first fraction, Then:
Fraction
Forms of fractions (vulgar fraction, proper fraction, improper fractions, mixed numbers, decimals)
The basic property of fraction
Simplifying fractions
Least common denominator of fractions
Converting improper fractions (composed fractions) to mixed numbers
Converting mixed numbers to improper fractions (composed fractions)
Addition and Subtraction of fractions
Multiplication of fractions
Division of fractions
Comparing fractions
Convert Decimals to Common Fractions
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