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Animated explanation on Introduction to Fractions and Music with Fractions

Everyone know about the definition of fractions , do you know the application of fraction in Music .

Watch and enjoy,

Animated explanation on Introduction to Fractions and Music with Fractions

Infinity

There is no greater  number in the numeral world.

Whatever  number you say , if you put plus 1 with that , that will be the greater number than the number which you told.

So there is no greater  number in the numeral world.

Similarly there is no smaller  number in the numeral world.

Here comes the symbol ∞  infinity which means highest number which is impossible to say .

Similarly   –  ∞ ,  smallest number which is impossible to say .

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irrational number

A number which can not be expressed as the ratio of two integers is called irrational number.

Example

√2

 

A non terminating and non repeating decimal is also called a rational number.

Example

0.10100100100001…………………………..

 π

About  π

The exact value of π is not 22 / 7.

22 / 7 is the approximate value of  π.

Similarly 3.14 is not an exact value of  π.

Rational number

A number which can be expressed as the ratio of two integers where the denominator is not equal to zero is called an rational number.

Example

4 / 5 ,   0  ,  -2 /3  etc.

A non terminating and repeating decimal is also called a rational number.

Example

0.27272727……………………………….

0.318564318564318564…………………………….

Between any two rationals there are infinitely many rationals.

Real number

Here comes the simple definition of real number.

Every natural number , every whole number , every irrational number , every rational number and every integer is a real number.

In other words , All the numbers lying between – ∞ to + ∞ is called the real number