Question

Katie and her brother are both writing a report Katie wrote seven eights of her report and her brother wrote three sevens of his report what is the best estimate of how much more Katie wrote then her brother

Answer 1

Katie: 7/8
Brother: 3/8
Then you have to subtract Katie's with her brother's.
7/8 - 3/8 = 4/8
Can be simplified to 1/2