Answer:
Hence, the number of hours he did work on both days is:

Step-by-step explanation:
It is given that:
Clay worked
yesterday.
i.e. in simple fraction the number of hours he worked yesterday is:

He worked
today.
i.e. the number of hours he worked today in simple fraction terms is:

The number of hours he worked on both days is:
Number of hours he worked yesterday+Number of hours he worked today.

which could also be represented as:

Hence, the number of hours he did work on both days is:
