Question

Jennifer had a7/8-foot board. she cut off a 1/4-foot piece that was for a project. in feet, how much of the board was left?

Answer 1

7/8 - 1/4 = ?  (we need common denominators to add)
7/8 - 2/8 (multiplied second fraction by 2/2 to get a common denominator)

5/8 answer