You must have a common denominator when ? fractions

Question

asked Jun 25, 2021 212k views

2 Answers

Bryan Way · Answer 1 · 2021-06-27T14:45:54+0000

You need to have common denominator when you are adding and subtracting you don’t need to a common denominator with multiplying and dividing

Paulo Neves · Answer 2 · 2021-06-30T18:12:36+0000

Explanation:

ADD::If the denominators are not the same, you must find the common denominator by finding the least common multiple of the 2.

SUBTRACT::If the denominators are not the same, you must find the common denominator by finding the least common multiple of the 2.