How can 7/8 and 5/6 as a pair of fractions with the smallest common denominator?

How can you tell when x and y are not directly proportional?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

5x−4≥12 or 12x+5≤−4 can you with this problem