Sue has 7/8 of her book left to read if she reads another 2/7 of the book, how much of the book will she have left?

Question

Sue has 7/8 of her book left to read if she reads another 2/7 of the book, how much of the book will she have left?
1. 33/56
2. 1/5
3. 5/8
4. 23/40

oobleck · Answer

geez, impatient much? well, 7/8 - 2/7 = ?

Midnight · Answer

How the hell is she even impatient? Also there is a chance she could just be using this to check her answers. .-.