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Simplify Surds 10/√5 + √20

Mooija

New member
Jul 26, 2019
1
Hi
I have to simplify this square root fraction:
10/√5 + √20

The answer is 4√5, but I do not get to that answer.
Please help.
 

Greg

Perseverance
Staff member
Hello Mooija and welcome to MHB. :)

√20 = √4√5 = 2√5

10/√5 = 10√5/5 = 2√5