-(20/39-3/13)*2 4/11+6 4/5:(3/5+1 2/3

-(20/39-3/13)*2.4/11+6.4/5:(3/5+1.2/3)=2.1/31. -(20/39-3/13)=-11/39,2.  -11/39*26/11=-2/3,3. 3/5+5/3=(9+25)/15=34/15,4. 6.4/5:34/15==34/5:34/15=35. -2/3+3=2.1/3