answersLogoWhite

0

Divide both sides of the ratio by any common factor until the only common factor is 3; this can be done in one step by dividing both sides by the highest common factor of the sides.

For 21:15 the highest common factor is 3, so divide both sides by 3. Thus:

It would simplify to 7:5

User Avatar

Wiki User

9y ago

What else can I help you with?