So 1/12 of all dogs are in hound of the hound gropu, 3/10 is english foxhounds find what fraciton of all adogs are english foxhounds so 3/10 of 1/12 in math 'of' means multiply with fractions so 3/10 times 1/12=(3 times 1)/(10 times 12)=3/120=1/40 1/40 of the dogs were english foxhounds