# How do you simplify 5 over square root of 7?

##### 2 Answers

Sep 20, 2015

You cannot.

#### Explanation:

Let's see,

5 is a prime number (you cannot make 5 by multiplying two integers).

7 is also a prime number.

Therefore you cannot simplify this fraction further.

You can rewrite it though.

Sep 20, 2015

#### Explanation:

You cannot simplify it much, but you can rationalise the denominator by multiplying both numerator and denominator by

#5/sqrt(7) = (5sqrt(7))/(sqrt(7)sqrt(7)) = (5sqrt(7))/7#