单词	least common denominator
释义	Least Common Denominator The smallest number that can be used for all denominators of 2 or more fractions: • a "Denominator" is the bottom number of a fraction. • a "Common Denominator" is when the bottom number is the same for the fractions. • the "Least Common Denominator" is the smallest number that can be used for all denominators of the fractions. Example: the Least Common Denominator of 1/2 and 2/3 1/2 can also be written as 2/4, or 3/6, or 4/8, etc 2/3 can also be written as 4/6, or 6/9, or 8/12, etc Looking at those lists we can see that 3/6 and 4/6 have the same denominator, and it is the smallest such denominator So the Least Common Denominator of 1/2 and 2/3 is 6 It makes it easy to add and subtract the fractions. Example: to add 1/2 and 2/3 we can use the Least Common Denominator of 6: 3/6 + 4/6 = 7/6 Learn more here:
随便看	distance distributive law diverge diversification divide divide evenly dividend dividends divisible division divisor divisor (of an integer) dodecagon dodecahedron dollar domain of a function dot plot dot product double dozen duodecimal e (euler`s number) earned income eccentric eccentricity

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