Question

Describe rationalise the denominator.

Answer 1

it means if there is an r.no in denominator like√2 then multiply it in numerator and denominator
if there are 2 numbers like √3-√4then also multiply in numerator and denominator but change the sign in between it i.e √3+√4 and then multiply

Answer 2

First, a fraction is made up of two integers—one on the top, and one on the bottom. The top one is called thenumerator, the bottom one is called the denominator, and these two numbers are separated by a line.