Answer:
11x
Step-by-step explanation:
Find the LCM (least common multiple) of the denominators, and use that as the denominator for the two fractions.
Ex.

LCM (3, 4) is 12

=
Answer:
94
Step-by-step explanation:
Add units together. 87+93+102=282.
Divide total number by number of days. 282/3=94