Xiao Fang: I've read 3 / 5 of this book. Xiao Li: I've read 4 / 9 of this book. Who can read the number of pages

Xiao Fang: I've read 3 / 5 of this book. Xiao Li: I've read 4 / 9 of this book. Who can read the number of pages

Three out of five are more than half, four out of nine are less than half