Explanation

We could add these fractions either by finding a common denominator or by converting them into decimals. Both have easy-to-remember decimal conversions, we can use those. The fraction is a quarter plus a half of a quarter, so it's 0.375. The fraction is of , which is , so it's . We'll call it 0.222, since the answer choices imply that an estimate will suffice. Adding the two, we get . This is about 0.6, so it falls in the range described by (B). The correct answer is (B).