Greetings!
Convert both terms into improper fractions:

Find the LCM.

Simplify.

Convert to Mixed Number.

The second answer would be correct.
Hope this helps.
-Benjamin
Answer:

Step-by-step explanation:
<u>Step 1: Convert to mixed number</u>
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Answer: 
Answer:
Step-by-step explanation:
1) √2 + 2√2 = ( 1 + 2 ) √2 = 3*√2 = 3√2
4) √8 + √2 = √2*2*2 + √2 = 2√2 + √2 = ( 2 +1 ) √2 = 3√2
7) 2√5 - √5 = (2 - 1)√5 = 1 √5
10 3√5 - 2√5 = (3 - 2) √5 = 1√5