Nina has four times more math homework than Ruby, meaning she has 6*4 = <<4*6=24>>24 more math homework than Ruby.
The total number of math homework that Nina has is 24+6= <<24+6=30>>30
Nina also has eight times more reading homework than Ruby, a total of 8*2 = <<8*2=16>>16 more reading homework.
In total, Nina has 16+2 = <<16+2=18>>18 reading homework.
Altogether, Ruby has 18+30 = <<18+30=48>>48 homework.
#### 48