Mr. K’s math class is 1 {1}{4} hours long. After working problems on the board for 55 minutes {11}{12}hour), he gave the students the rest of the class period to work on homework. How long did students have to work on homework? Write your answer in simplest form.

numberofhoursthatstudentshave toworkonhomeworkwill be 1/3hours.## What is subtraction?

impliessubtracting something from anentity, group, location, etc.Subtractingfrom acollectionor a list ofwaysis known assubtraction.mathsclass is 1 and 1/4hourslong.workingproblems on theboardfor 55minutesor 11 / 12hour.studentsthe rest of theclassperiod to work onhomework.numberofhoursthatstudentshave toworkonhomeworkwill besubtractionlink is given below.