Before fractions may be added or subtracted, they must all have the same:
A) divisor
B) denominator
C) numerator
D) dividend

Question

Quizplus · Accepted Answer

Fractions can only be added or subtracted if they have the same denominator. The denominator represents the total number of equal parts in a whole, so if the denominators are different, the fractions do not represent the same fractions of the same whole and cannot be added or subtracted directly.

Before Fractions May Be Added or Subtracted, They Must All