The hardware store sold 6 3/8 boxes of large nails and 7 2/5 boxes of small nails. In total, how many boxes of nails did the store sell?

Answer: The store sold 13 31/40 boxes of nails.

Step-by-step explanation:

Hi, to answer this question we have to simply add the fraction of the boxes of nails that were sold. (Both large and small nails boxes)

Mathematically speaking:

6 3/8 + 7 2/5 = 6 15/40 + 7 16/40 = 13 31/40

The store sold 13 31/40 boxes of nails.

Feel free to ask for more if needed or if you did not understand something.