Answer:
20 5/6
Step-by-step explanation:
First you turn them both into improper fractions.
18 7/12 turns into 223/12
2 1/4 turns into 9/4
then you put them as like denominators, 9/4 turns into 27/12
Now you add 27/12 + 223/12 which equals 250/12
Then you simplify
=125/6
= 20 5/6
