I need help with this stupid question, my teacher got me confused when he kept talking about different things!

Answer:
2 5/8
Step-by-step explanation:
1 3/4 + 7/8
add the fractions together
look for the lcm bwt 4 and 8
1 6 + 7
____
8
= 13/8 = 1 5/8
1 + 1 5/8
= 2 5/8