Multiplicative inverse
posted by bianca .
Is the multiplicative inverse for 12/13 13/12?

Yes.
http://www.coolmath.com/prealgebra/06properties/09propertiesmultiplicativeinverse01.htm
posted by bianca .
Is the multiplicative inverse for 12/13 13/12?
Yes.
http://www.coolmath.com/prealgebra/06properties/09propertiesmultiplicativeinverse01.htm