On Monday Sarah had homework in 7⁄10 of her classes, Tuesday 3⁄5 , Wednesday 9⁄11 , and Thursday 1⁄2 . Which day did she have the most homework? A. Thursday B. Monday C. Tuesday D. Wednesday
First turn each denominator into a number they all have in common. And then do blank times blank to numerator and denominator to all of them and just add them all up