Add and subtract fractions: word problems 2

Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.

Problem

Sven is reading a book while on vacation. So far, he has read start fraction, 1, divided by, 6, end fraction of the book. He wants to finish start fraction, 3, divided by, 6, end fraction of the book by the end of vacation.
What fraction of the book does Sven want to read between now and the end of vacation?