Exhibit 12.1


                          COMCAST CABLE COMMUNICATIONS, INC.
                       RATIO OF EARNINGS TO FIXED CHARGES
                              (dollars in millions)



                                                            Years Ended December 31,

                                                      1999           1998           1997
                                                                        
Earnings (loss) before fixed charges (1):

     Loss before extraordinary items               ($247.5)        ($97.2)       ($112.1)

     Income tax benefit                              (46.2)         (35.8)         (43.6)

     Fixed charges                                   362.9          275.7          265.2
                                                    ------         ------         ------

                                                     $69.2         $142.7         $109.5
                                                    ======         ======         ======

Fixed charges (1):

     Interest expense                                352.9         $223.6         $227.9

     Interest expense on notes payable
          to affiliates                               10.0           52.1           37.3
                                                    ------         ------         ------

                                                    $362.9         $275.7         $265.2
                                                    ======         ======         ======

Ratio of earnings to fixed charges (2)                --             --             --

<FN>
_______________________

(1)  For the purpose of  calculating  the ratio of  earnings  to fixed  charges,
     earnings consist of loss before  extraordinary  items,  income tax benefit,
     and fixed charges.  Fixed charges consist of interest  expense and interest
     expense on notes payable to affiliates.

(2)  For the years ended December 31, 1999, 1998 and 1997, earnings,  as defined
     above,  were  inadequate to cover fixed charges by $293.7  million,  $133.0
     million and $155.7 million, respectively.
</FN>