Question

You must have a common denominator when _______ fractions. Choose all that apply.

A) Subtracting
B) Multiplying
C) Adding
D) Dividing

Answer 1

Dividing, subtracting, adding

Explanation:

the reason you can only multiply without a common denominator is that the multiplication process does it for you, normally, the quickest way to find an easy common denominator is to multiply the two, then simplify at the end.

Hopefully this helped!

Answer 2

Adding and subtracting!!!

Explanation:

i took math lol

PS plzz tell me if u got it right!!!