How do you simplify 18 over 21?

Question

Kyra Sullivan

Mathematics

6 April, 06:56

How do you simplify 18 over 21?

+2

Answers (2)

Know the Answer?

Alexandra Mccann · Answer 1

6/7 is the answer you divide 18/21 by the common factor of 3

Rodolfo Rocha · Answer 2

Too have to divide them by a common factor. So a common factor would be 3 because 3, 18/3 is 6 and 21/3 is 7.

So the fraction would be 6/7.

You need to use the GCF, or greatest common factor. The greatest factor that the numerator and denominator have in common. 3 was the GCF