Difference between revisions of "Common Multiplication"
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In ordinary [[arithmetic]], '''multiplication''' is an arithmetic [[operation]]. The result of multiplying is the [[product]]. If one of the [[number]]s is a [[whole number]], multiplication is the repeated [[sum]] of that number. For example, <math>4\times3=4+4+4=12</math>. The [[inverse]] of multiplication is [[division]]. | In ordinary [[arithmetic]], '''multiplication''' is an arithmetic [[operation]]. The result of multiplying is the [[product]]. If one of the [[number]]s is a [[whole number]], multiplication is the repeated [[sum]] of that number. For example, <math>4\times3=4+4+4=12</math>. The [[inverse]] of multiplication is [[division]]. | ||
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* [[Identity]] property: <math>a\times1=a</math> | * [[Identity]] property: <math>a\times1=a</math> | ||
* [[Inverse]] property: For any <math>x\neq0</math>, <math>x\times\frac{1}{x}=1</math> | * [[Inverse]] property: For any <math>x\neq0</math>, <math>x\times\frac{1}{x}=1</math> | ||
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| + | [[Category:Operation]] | ||
Revision as of 22:24, 17 November 2007
In ordinary arithmetic, multiplication is an arithmetic operation. The result of multiplying is the product. If one of the numbers is a whole number, multiplication is the repeated sum of that number. For example, 
. The inverse of multiplication is division.
To multiply fractions, the numerators and denominators are multiplied: 
.
Properties
- Commutative property:
- Associative property:
- Distributive property:
- Zero property:
- Identity property:
- Inverse property: For any
, 
, 
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