NEW YORK--(BUSINESS WIRE)--Fitch Ratings has issued a presale report on FREMF 2015-K46 Multifamily Mortgage Pass-Through Certificates and Freddie Mac Structured Pass-Through Certificates series K-046. Fitch expects to rate the transaction and assign Rating Outlooks as follows: FREMF 2015-K46 Multifamily Mortgage Pass-Through Certificates --$147,457,000 class A-1 'AAAsf'; Outlook Stable; --$1,148,447,000 class A-2 'AAAsf'; Outlook Stable; --$1,295,904,000* class X1 'AAAsf'; Outlook Stable; --$13