Samuel has read 3/6 of his assignment. Judy has read 4/8 of her assignment. their assignments were the same size. which sentence is true?

There are apparently three true sentences here:

1). Samuel has read 3/6 of his assignment.

2). Judy has read 4/8 of her assignment.

3). Their assignments were the same size.

If we want to spend a few seconds thinking about it, we realize that

Samuel and Judy have both done the same amount of reading.