Gretchen rode her snowmobile 1 1/4 miles to a snowmobile trail. She rode in the trail for 5 5/6 miles and then rode back home. Which addition sentence shows many miles Gretchen rode in all?

Answer:
85/12. figure out which one the answer is now, just convert 85/12 to a mix number
Step-by-step explanation:
5/4 + 35/6 = 85/12.