Example of irrational number:
Pi. Or the square root of any number.
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No, but you can add an irrational number and a rational number to give an irrational.For example, 1 + pi is irrational.
An Irrational Number is a Number that cannot be converted to a Fraction and has an unstoppable amount of numbers after the decimal point. For Example, Pi is the most famous irrational number. If I didn't answer your question, search up Irrational Numbers.
All irrational numbers are Real numbers - it's part of the definition of an irrational number. Imaginary numbers are neither rational nor irrational. An example of a number that is both Real and irrational is the square root of two. Another example is the number pi.
Yes, an irrational number divided by an irrational number will usually be an irrational number, but not always. For example, pi / (3pi) is 1/3, which is a rational number, but pi/e is an irrational number.
An irrational number can not be expressed as a fraction as for example the square root of 2