You have to add the top numbers but keep the bottom number the same.
2/10 + 5/10 = 7/10
Answer:
Step-by-step explanation:
2 because the square root is 12 and the distance is 12 units
The difference is 
Explanation:
The expression is 
Removing the parenthesis, we have,

Factoring the terms
and
, we get,

Taking LCM, we get,

Simplifying the numerator, we get,

Subtracting the numerator, we have,

Hence, the difference is 
Find three common denominator you’ll have have the multiplied of the numbers