Juan's model locomotive is 7 5/8 in long HIs coal car is 6 1/4 in long when hooked together there is a 7/8 inch space between the cars. What is the total length when the two cars are hooked together?

Question

I added the fractions and got 13 7/8 what do I do with the 7/8 in space between the cars?

Answer 1

14 3/4

Answer 2

Thank you Jerald